| 名称
|
Riordan数组(1,xf(x)),其中f(xA005169号(硬币喷泉)。
|
| 数据
|
1, 0, 1, 0, 1, 1, 0, 1, 2, 1, 0, 2, 3, 3, 1, 0, 3, 6, 6, 4, 1, 0, 5, 11, 13, 10, 5, 1, 0, 9, 20, 27, 24, 15, 6, 1, 0, 15, 38, 54, 55, 40, 21, 7, 1, 0, 26, 70, 109, 120, 100, 62, 28, 8, 1, 0, 45, 129, 216, 258, 236, 168, 91, 36, 9, 1, 0, 78, 238, 423, 544, 540, 426, 266, 128, 45, 10, 1
|
| 抵消
|
0,9
|
| 评论
|
行总和为A167750型对角线和为A167751号.
|
| 配方奶粉
|
G.f.:1/(1-xy/(1-x/(1-x^2/(1-x^3/(1-x^4/(1-…(续分数))。
|
| 例子
|
三角形开始
1,
0, 1,
0, 1, 1,
0, 1, 2, 1,
0, 2, 3, 3, 1,
0, 3, 6, 6, 4, 1,
0, 5, 11, 13, 10, 5, 1,
0, 9, 20, 27, 24, 15, 6, 1,
0, 15, 38, 54, 55, 40, 21, 7, 1,
0, 26, 70, 109, 120, 100, 62, 28, 8, 1,
0, 45, 129, 216, 258, 236, 168, 91, 36, 9, 1,
0, 78, 238, 423, 544, 540, 426, 266, 128, 45, 10, 1,
0, 135, 437, 824, 1127, 1205, 1035, 721, 402, 174, 55, 11, 1
|
| 关键字
|
容易的,非n,表
|
| 作者
|
保罗·巴里(Paul Barry),2009年11月10日
|
| 状态
|
经核准的
|
|