A209424 - cp's OEIS frontend

A209424 Triangle defined by g.f.: A(x,y) = exp( Sum_{n>=1} x^n/n * Sum_{k=0..n} binomial(n, k)^n * y^k ), as read by rows.

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	1
6	1
7	12
8	12
9	1
10	1
11	76
12	347
13	76
14	1
15	1
16	701
17	20429
18	20429
19	701
20	1
21	1
22	8477
23	1919660
24	10707908
25	1919660
26	8477
27	1
28	1
29	126126
30	259227625
31	9203978774
32	9203978774
33	259227625
34	126126
35	1
36	1
37	2223278
38	47484618291
39	12099129236936
40	72078431500368

[1, 1, 1, 1, 3, 1, 1, 12, 12, 1, 1, 76, 347, 76, 1, 1, 701, 20429, 20429, 701, 1, 1, 8477, 1919660, 10707908, 1919660, 8477, 1, 1, 126126, 259227625, 9203978774, 9203978774, 259227625, 126126, 1, 1, 2223278, 47484618291, 12099129236936, 72078431500368]

cp's OEIS Frontend

A209424 Triangle defined by g.f.: A(x,y) = exp( Sum_{n>=1} x^n/n * Sum_{k=0..n} binomial(n, k)^n * y^k ), as read by rows.

Table of values

List of values