A318257 - cp's OEIS frontend

A318257 Triangle read by rows, expansion of the e.g.f. given below related to partitions of {1,2,...,5n} into sets of size 5, nonzero coefficients of z.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	126
6	0
7	1
8	3003
9	126126
10	0
11	1
12	107882
13	23279256
14	488864376
15	0
16	1
17	3321890
18	5319906900
19	412275623760
20	5194672859376
21	0
22	1
23	107746281
24	1394769716340
25	369277150181940
26	14687937509885640
27	123378675083039376

[1, 0, 1, 0, 1, 126, 0, 1, 3003, 126126, 0, 1, 107882, 23279256, 488864376, 0, 1, 3321890, 5319906900, 412275623760, 5194672859376, 0, 1, 107746281, 1394769716340, 369277150181940, 14687937509885640, 123378675083039376]

cp's OEIS Frontend

A318257 Triangle read by rows, expansion of the e.g.f. given below related to partitions of {1,2,...,5n} into sets of size 5, nonzero coefficients of z.

Table of values

List of values