登录
OEIS由OEIS基金会的许多慷慨捐赠者.

 

标志
提示
(来自的问候整数序列在线百科全书!)
A154284号 多项式系数的三角形序列:p(x,n)=(x-1)^(3*n+1)*Sum[(k*(k+1)*(2*k+1)/6)^n*x^k,{k,0,无限}]/x。 0
1, 1, -1, -18, -42, -18, -1, 1, 115, 1539, 5065, 5065, 1539, 115, 1, -1, -612, -30369, -359056, -1439038, -2255448, -1439038, -359056, -30369, -612, -1, 1, 3109, 487944, 16069256, 177275075, 808273143, 1688579472, 1688579472, 808273143 (列表;图表;参考;;历史;文本;内部格式)
抵消
1,4
评论
行总和为:
{2, -80, 13440, -5913600, 5381376000, -8782405632000, 23361198981120000,
-94566133475573760000, 553211880832106496000000, -4492080472356704747520000000,...}
链接
配方奶粉
p(x,n)=(x-1)^(3*n+1)*和[(k*(k+1)*(2*k+1)/6)^n*x^k,{k,0,无穷}]/x;
t(n,m)=系数(p(x,n))。
例子
{1, 1},
{-1, -18, -42, -18, -1},
{1,115, 1539, 5065, 5065, 1539, 115, 1},
{-1, -612, -30369, -359056, -1439038, -2255448, -1439038, -359056, -30369, -612, -1},
{1, 3109,487944, 16069256, 177275075, 808273143, 1688579472, 1688579472, 808273143, 177275075, 16069256,487944, 3109, 1},
{-1, -15606, -7232832, -588609722, -15102054532, -159360510654, -796011579264, -2034786608786, -2770692409206, -2034786608786, -796011579264, -159360510654, -15102054532, -588609722, -7232832, -15606, -1},
{1, 78103, 103694985, 19568948247, 1065525448614, 23072731441362, 236032579067166, 1262043871882890, 3749020958436984, 6409344151561648, 6409344151561648, 3749020958436984, 1262043871882890, 236032579067166, 23072731441362, 1065525448614, 19568948247, 103694985, 78103, 1},
{-1, -390600, -1466023731, -619322458800, -67773276182575, -2802617455410216, -53645573041228725, -536366226569480256, -3023314553367761850, -10090695137544912400, -20563892762682272046, -26024562946121517600, -20563892762682272046, -10090695137544912400, -3023314553367761850, -536366226569480256, -53645573041228725, -2802617455410216, -67773276182575, -619322458800, -1466023731, -390600, -1},
{1, 1953097, 20606359662, 19105228968022, 4062046061251702, 306352064179097622, 10355782284092172382, 180449348295691590742, 1772697944064120724647, 10422061778244020252047, 38179816523099760064252, 89512894147925375525772, 136527354458904110040052, 136527354458904110040052, 89512894147925375525772, 38179816523099760064252, 10422061778244020252047, 1772697944064120724647, 180449348295691590742, 10355782284092172382, 306352064179097622, 4062046061251702, 19105228968022, 20606359662, 1953097, 1},
{-1, -9765594, -288951921066, -581527646706874, -235124431637251555, -31362739743718489620, -1800493681167699729940, -52143903931162149522580, -843767280698373213383505, -8174015411024678270125030, -49739731928304174504355510, -196644863528988544778420550, -517044213844787972256968395, -918147140681329965091033240, -1110785055014320687664653080, -918147140681329965091033240, -517044213844787972256968395, -196644863528988544778420550, -49739731928304174504355510, -8174015411024678270125030, -843767280698373213383505, -52143903931162149522580, -1800493681167699729940, -31362739743718489620, -235124431637251555, -581527646706874, -288951921066, -9765594, -1}
数学
清除[p,x,n];p[x_,n_]=(x-1)^(3*n+1)*和[(k*(k+1)*(2*k+1)/6)^n*x^k,{k,0,无穷}]/x;
表[FullSimplify[ExpandAll[p[x,n]]],{n,1,10}];
表[系数列表[FullSimplify[ExpandAll[p[x,n]],x],{n,1,10}];
压扁[%]
交叉参考
囊性纤维变性。A000680号.
关键字
签名,标签
作者
罗杰·巴古拉2009年1月6日
状态
经核准的

查找|欢迎光临|维基|注册|音乐|地块2|演示|索引|浏览|更多|网络摄像头
贡献新序列。或评论|格式|样式表|变换|超级搜索|最近
OEIS社区|维护人OEIS基金会。

许可协议、使用条款、隐私政策。.

上次修改时间:美国东部夏令时2024年4月23日18:16。包含371916个序列。(在oeis4上运行。)