|
|
|
|
1, 280, 62475, 11179686, 1736613466, 243125885240, 31464032862802, 3828473678068060, 443307088929919375, 49283438913963499728, 5295767249826282145413, 552902424623732460251730, 56318224867097916236530640, 5615280578269206770801490160, 549533929275081475149009571700
(列表;图表;参考;听;历史;文本;内部格式)
|
|
|
抵消
|
0,2
|
|
链接
|
常系数线性递归的索引项,签名(376, -54802, 3630508, -75022815, -2846082932, 114238747024, 1577306027464, -52069433611135, -1016200021352656, -3020413156112394, 29965893152789468, 72435932210073135, -546365140007154292, 650692815293657132, 267744542455319216, -440297864251362544, -214251046924716480, -9998773345956800, 3992836965024000, -117063803520000, -2034547200000).
|
|
配方奶粉
|
a(n)=(1/222720)*(435*2^(n+7)+2320*(-12)^(n+7)-222720*(70)^+
P(5*n+25)-2784*5^(n+6)*P(3*n+18)+29*(-1)^n*P(3*n+15)+7680*(29)^(n+7)*P=A000129号,Q(n)=A002203号.
总经理:(1-96*x+11997*x^2-596862*x^3+15287055*x^4-135141972*x^5+366556867*x^6-30606125134*x^7-254125754944*x^8-657125309064*x^9+376990806976*x^10-2048614425760*x^11+11718742400*x^12+77172576000*x^13+29064960000*x^14)/(1-2*x)*(1+12*x 70*x)*(1-2*x-x^2)*(1+10*x-25*x^2*(1-68*x+4*x^2)*。(结束)
|
|
数学
|
P[n_]:=斐波那契[n,2];Q[n_]:=卢卡斯L[n,2];
A255497型[n_]:=(1/7680)*(7680*(29)^(n+5)-192*(-5)^(n+6)-30+Q[4*n+18]-96*5^(n+6)*Q[2*n+11]+12*(-1)^n*Q[2*n+9]+3*2^(n+10)*P[3*n+15]-640*(12)^(n+6)*P[n+6]-15*(-2)^(n+10)*P[n+5]);
a[n_]:=a[n]=如果[n<2,(280)^n,70*a[n-1]+P[n+1]*A255497型[n] ];
|
|
黄体脂酮素
|
(鼠尾草)
@缓存函数
定义P(n):返回lucas_number1(n,2,-1)
定义Q(n):返回lucas_number2(n,2,-1)
定义A255497型(n) :返回(1/7680)*(7680*(29)^(n+5)-192*(-5)^
定义a(n):如果(n<2)否则返回(280)^n 70*a(n-1)+P(n+1)*A255497型(n)
|
|
交叉参考
|
|
|
关键字
|
非n
|
|
作者
|
|
|
扩展
|
|
|
状态
|
经核准的
|
|
|
|