A272868 - cp's OEIS frontend

A272868 Triangle read by rows, T(n,k) = 2^k*GegenbauerC(k,-n,-1/4), for n>=0 and 0<=k<=n.

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	9
6	1
7	3
8	15
9	25
10	1
11	4
12	22
13	52
14	145
15	1
16	5
17	30
18	90
19	285
20	561
21	1
22	6
23	39
24	140
25	495
26	1206
27	2841
28	1
29	7
30	49
31	203
32	791
33	2261
34	6027
35	12489
36	1
37	8
38	60
39	280
40	1190
41	3864
42	11452
43	27560
44	60705
45	1
46	9
47	72
48	372
49	1710
50	6174
51	20076
52	54468
53	134073
54	281185

[1, 1, 1, 1, 2, 9, 1, 3, 15, 25, 1, 4, 22, 52, 145, 1, 5, 30, 90, 285, 561, 1, 6, 39, 140, 495, 1206, 2841, 1, 7, 49, 203, 791, 2261, 6027, 12489, 1, 8, 60, 280, 1190, 3864, 11452, 27560, 60705, 1, 9, 72, 372, 1710, 6174, 20076, 54468, 134073, 281185]

cp's OEIS Frontend

A272868 Triangle read by rows, T(n,k) = 2^k*GegenbauerC(k,-n,-1/4), for n>=0 and 0<=k<=n.

Table of values

List of values