A130409 - cp's OEIS frontend

A130409 Denominators of a-sequence for Sheffer matrix A130191 (Stirling2 squared).

n	a(n)
0	1
1	1
2	3
3	4
4	15
5	3
6	84
7	3
8	5
9	20
10	33
11	6
12	5460
13	210
14	12
15	48
16	255
17	45
18	1596
19	105
20	2310
21	1320
22	138
23	36
24	9100
25	546
26	756
27	112
28	435
29	30
30	114576
31	42
32	58905
33	140
34	105
35	18
36	767676
37	3458
38	16380
39	1680
40	15785
41	385
42	132440
43	990
44	434700
45	38640
46	3948
47	360
48	3248700
49	99450

[1, 1, 3, 4, 15, 3, 84, 3, 5, 20, 33, 6, 5460, 210, 12, 48, 255, 45, 1596, 105, 2310, 1320, 138, 36, 9100, 546, 756, 112, 435, 30, 114576, 42, 58905, 140, 105, 18, 767676, 3458, 16380, 1680, 15785, 385, 132440, 990, 434700, 38640, 3948, 360, 3248700, 99450]

cp's OEIS Frontend

A130409 Denominators of a-sequence for Sheffer matrix A130191 (Stirling2 squared).

Table of values

List of values