A178657 - cp's OEIS frontend

A178657 Irregular triangle: the coefficient [x^k] of the polynomial (1-x)^(2n-1) Sum_{s>=0} A001263(n+2s,2s+1)*x^s in row n >= 1 and column k >= 0.

n	a(n)
1	1
2	1
3	3
4	1
5	15
6	15
7	1
8	1
9	43
10	161
11	105
12	10
13	1
14	96
15	855
16	1680
17	855
18	96
19	1
20	1
21	185
22	3191
23	13387
24	17655
25	7623
26	945
27	21
28	1
29	323
30	9570
31	72254
32	188188
33	188188
34	72254
35	9570
36	323
37	1
38	1
39	525
40	24675
41	302359
42	1345605
43	2499861
44	2036125
45	715725
46	99414
47	4410
48	36
49	1
50	808

[1, 1, 3, 1, 15, 15, 1, 1, 43, 161, 105, 10, 1, 96, 855, 1680, 855, 96, 1, 1, 185, 3191, 13387, 17655, 7623, 945, 21, 1, 323, 9570, 72254, 188188, 188188, 72254, 9570, 323, 1, 1, 525, 24675, 302359, 1345605, 2499861, 2036125, 715725, 99414, 4410, 36, 1, 808]

cp's OEIS Frontend

A178657 Irregular triangle: the coefficient [x^k] of the polynomial (1-x)^(2n-1) Sum_{s>=0} A001263(n+2s,2s+1)*x^s in row n >= 1 and column k >= 0.

Table of values

List of values

cp's OEIS Frontend

A178657 Irregular triangle: the coefficient [x^k] of the polynomial (1-x)^(2*n-1) * Sum_{s>=0} A001263(n+2*s,2*s+1)*x^s in row n >= 1 and column k >= 0.

Table of values

List of values

A178657 Irregular triangle: the coefficient [x^k] of the polynomial (1-x)^(2n-1) Sum_{s>=0} A001263(n+2s,2s+1)*x^s in row n >= 1 and column k >= 0.