A008957 - cp's OEIS frontend

A008957 Triangle of central factorial numbers T(2n,2n-2*k), k >= 0, n >= 1 (in Riordan's notation).

n	a(n)
1	1
2	1
3	1
4	1
5	5
6	1
7	1
8	14
9	21
10	1
11	1
12	30
13	147
14	85
15	1
16	1
17	55
18	627
19	1408
20	341
21	1
22	1
23	91
24	2002
25	11440
26	13013
27	1365
28	1
29	1
30	140
31	5278
32	61490
33	196053
34	118482
35	5461
36	1
37	1
38	204
39	12138
40	251498
41	1733303
42	3255330
43	1071799
44	21845
45	1
46	1
47	285
48	25194
49	846260
50	10787231

[1, 1, 1, 1, 5, 1, 1, 14, 21, 1, 1, 30, 147, 85, 1, 1, 55, 627, 1408, 341, 1, 1, 91, 2002, 11440, 13013, 1365, 1, 1, 140, 5278, 61490, 196053, 118482, 5461, 1, 1, 204, 12138, 251498, 1733303, 3255330, 1071799, 21845, 1, 1, 285, 25194, 846260, 10787231]

cp's OEIS Frontend

A008957 Triangle of central factorial numbers T(2n,2n-2*k), k >= 0, n >= 1 (in Riordan's notation).

Table of values

List of values

cp's OEIS Frontend

A008957 Triangle of central factorial numbers T(2*n,2*n-2*k), k >= 0, n >= 1 (in Riordan's notation).

Table of values

List of values

A008957 Triangle of central factorial numbers T(2n,2n-2*k), k >= 0, n >= 1 (in Riordan's notation).