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(来自的问候整数序列在线百科全书!)
2007年2月 T(n,k)=长度为n+3 0..k的数组的数量,每四个连续项中有两个项的最大值等于其余两个项中的最小值 13
10, 39, 14, 100, 69, 20, 205, 208, 125, 28, 366, 485, 440, 221, 38, 595, 966, 1153, 896, 377, 52, 904, 1729, 2524, 2601, 1724, 659, 72, 1305, 2864, 4893, 6172, 5425, 3440, 1177, 100, 1810, 4473, 8688, 12789, 13666, 11925, 7056, 2119, 138, 2431, 6670, 14433 (列表;桌子;图表;参考;;历史;文本;内部格式)
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表格开始
..10...39...100....205.....366.....595.....904.....1305.....1810.....2431
..14...69...208....485.....966....1729....2864.....4473.....6670.....9581
..20..125...440...1153....2524....4893....8688....14433....22756....34397
..28..221...896...2601....6172...12789...24032....41937....69052...108493
..38..377..1724...5425...13666...29673...57912...104289...176350...283481
..52..659..3440..11925...32500...75495..156416...297321...528340...889339
..72.1177..7056..27113...80360..200489..442144...888465..1659976..2924889
.100.2119.14544..61725..198164..528755.1235840..2613945..5113060..9391327
.138.3805.29620.137593..474302.1341901.3295784..7275729.14775346.28054653
.190.6857.60416.307437.1140694.3434085.8902160.20616873.43717054.86348977
链接
配方奶粉
k列的经验值:
k=1:a(n)=a(n-1)+a(n-4)
k=2:[顺序10]
k=3:[订单17]
k=4:[订单24]
k=5:[订单30]
k=6:[顺序37]
k=7:[订单43]
第n行的经验值:
n=1:a(n)=2*n^3+4*n^2+3*n+1
n=2:a(n)=(1/2)*n^4+4*n^3+(11/2)*n*2+3*n+1
n=3:a(n)=(1/15)*n^5+2*n^4+7*n^3+7*n ^2+(44/15)*n+1
n=4:a(n)=(7/15)*n^5+5*n^4+11*n^3+8*n^2+(38/15)*n+1
n=5:a(n)=(5/3)*n^5+10*n^4+16*n^3+8*n^2+(4/3)*n+1
n=6:a(n)=(1/5)*n^6+(73/15)*n ^5+18*n ^4+22*n ^3+(34/5)*n
n=7:a(n)=(1/70)*n^7+(19/15)*n*6+(178/15)*n^5+30*n^4+(851/30)*n|3+(56/15)*n~2-(446/105)*n+1
例子
n=6 k=4的一些解
..3....3....2....4....1....4....3....4....3....1....0....3....3....2....3....2
..1....3....4....1....4....2....3....1....4....1....2....0....3....1....3....1
..0....3....0....1....1....0....2....1....3....2....2....0....3....1....4....2
..1....2....2....1....1....2....4....1....0....1....3....0....4....0....0....4
..1....4....2....4....0....4....3....2....3....1....2....0....2....1....3....2
..1....3....2....1....3....2....3....1....3....1....1....0....3....3....3....1
..0....3....0....1....1....1....3....1....3....3....2....0....3....1....4....2
..4....3....4....1....1....2....2....1....1....1....3....0....4....1....3....4
..1....0....2....0....0....2....3....4....4....0....2....1....1....0....2....2
交叉参考
第1列是A246473型
第1行是A059722号(n+1)
关键词
非n,表格
作者
R.H.哈丁2014年11月4日
状态
经核准的

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