A008956 - cp's OEIS frontend

A008956 Triangle of central factorial numbers |4^k t(2n+1,2n+1-2k)| read by rows (n>=0, k=0..n).

n	a(n)
0	1
1	1
2	1
3	1
4	10
5	9
6	1
7	35
8	259
9	225
10	1
11	84
12	1974
13	12916
14	11025
15	1
16	165
17	8778
18	172810
19	1057221
20	893025
21	1
22	286
23	28743
24	1234948
25	21967231
26	128816766
27	108056025
28	1
29	455
30	77077
31	6092515
32	230673443
33	3841278805
34	21878089479
35	18261468225
36	1
37	680

[1, 1, 1, 1, 10, 9, 1, 35, 259, 225, 1, 84, 1974, 12916, 11025, 1, 165, 8778, 172810, 1057221, 893025, 1, 286, 28743, 1234948, 21967231, 128816766, 108056025, 1, 455, 77077, 6092515, 230673443, 3841278805, 21878089479, 18261468225, 1, 680]

cp's OEIS Frontend

A008956 Triangle of central factorial numbers |4^k t(2n+1,2n+1-2k)| read by rows (n>=0, k=0..n).

Table of values

List of values