A380281 - cp's OEIS frontend

A380281 Triangle T(n, k) read by rows: T(n, k) = 2^nbinomial(2n + 1, 2k + 1) Pochhammer(1/2, n - k) * Pochhammer(1/2, k).

n	a(n)
0	1
1	3
2	1
3	15
4	10
5	3
6	105
7	105
8	63
9	15
10	945
11	1260
12	1134
13	540
14	105
15	10395
16	17325
17	20790
18	14850
19	5775
20	945
21	135135
22	270270
23	405405
24	386100
25	225225
26	73710
27	10395
28	2027025
29	4729725
30	8513505
31	10135125
32	7882875
33	3869775
34	1091475
35	135135
36	34459425
37	91891800
38	192972780
39	275675400
40	268017750
41	175429800
42	74220300
43	18378360
44	2027025

[1, 3, 1, 15, 10, 3, 105, 105, 63, 15, 945, 1260, 1134, 540, 105, 10395, 17325, 20790, 14850, 5775, 945, 135135, 270270, 405405, 386100, 225225, 73710, 10395, 2027025, 4729725, 8513505, 10135125, 7882875, 3869775, 1091475, 135135, 34459425, 91891800, 192972780, 275675400, 268017750, 175429800, 74220300, 18378360, 2027025]

cp's OEIS Frontend

A380281 Triangle T(n, k) read by rows: T(n, k) = 2^nbinomial(2n + 1, 2k + 1) Pochhammer(1/2, n - k) * Pochhammer(1/2, k).

Table of values

List of values

cp's OEIS Frontend

A380281 Triangle T(n, k) read by rows: T(n, k) = 2^n*binomial(2*n + 1, 2*k + 1) * Pochhammer(1/2, n - k) * Pochhammer(1/2, k).

Table of values

List of values

A380281 Triangle T(n, k) read by rows: T(n, k) = 2^nbinomial(2n + 1, 2k + 1) Pochhammer(1/2, n - k) * Pochhammer(1/2, k).