A374428 - cp's OEIS frontend

A374428 Triangle read by rows: T(n, k) = n! * 2^k * hypergeom([-k], [-n], 1/2).

n	a(n)
0	1
1	1
2	3
3	2
4	5
5	13
6	6
7	14
8	33
9	79
10	24
11	54
12	122
13	277
14	633
15	120
16	264
17	582
18	1286
19	2849
20	6331
21	720
22	1560
23	3384
24	7350
25	15986
26	34821
27	75973
28	5040
29	10800
30	23160
31	49704
32	106758
33	229502
34	493825
35	1063623
36	40320
37	85680
38	182160
39	387480
40	824664
41	1756086
42	3741674
43	7977173
44	17017969

[1, 1, 3, 2, 5, 13, 6, 14, 33, 79, 24, 54, 122, 277, 633, 120, 264, 582, 1286, 2849, 6331, 720, 1560, 3384, 7350, 15986, 34821, 75973, 5040, 10800, 23160, 49704, 106758, 229502, 493825, 1063623, 40320, 85680, 182160, 387480, 824664, 1756086, 3741674, 7977173, 17017969]

cp's OEIS Frontend

A374428 Triangle read by rows: T(n, k) = n! * 2^k * hypergeom([-k], [-n], 1/2).

Table of values

List of values