A321127 - cp's OEIS frontend

A321127 Irregular triangle read by rows: row n gives the coefficients in the expansion of ((x + 1)^(2n) + (x^2 - 1)(2*(x + 1)^n - 1))/x.

n	a(n)
0	0
1	1
2	0
3	2
4	2
5	0
6	5
7	8
8	3
9	0
10	10
11	24
12	21
13	8
14	1
15	0
16	17
17	56
18	80
19	64
20	30
21	8
22	1
23	0
24	26
25	110
26	220
27	270
28	220
29	122
30	45
31	10
32	1
33	0
34	37
35	192
36	495
37	820
38	952
39	804
40	497
41	220
42	66
43	12
44	1
45	0
46	50
47	308
48	973
49	2030
50	3059
51	3472
52	3017
53	2004
54	1001
55	364
56	91
57	14
58	1

[0, 1, 0, 2, 2, 0, 5, 8, 3, 0, 10, 24, 21, 8, 1, 0, 17, 56, 80, 64, 30, 8, 1, 0, 26, 110, 220, 270, 220, 122, 45, 10, 1, 0, 37, 192, 495, 820, 952, 804, 497, 220, 66, 12, 1, 0, 50, 308, 973, 2030, 3059, 3472, 3017, 2004, 1001, 364, 91, 14, 1]

cp's OEIS Frontend

A321127 Irregular triangle read by rows: row n gives the coefficients in the expansion of ((x + 1)^(2n) + (x^2 - 1)(2*(x + 1)^n - 1))/x.

Table of values

List of values

cp's OEIS Frontend

A321127 Irregular triangle read by rows: row n gives the coefficients in the expansion of ((x + 1)^(2*n) + (x^2 - 1)*(2*(x + 1)^n - 1))/x.

Table of values

List of values

A321127 Irregular triangle read by rows: row n gives the coefficients in the expansion of ((x + 1)^(2n) + (x^2 - 1)(2*(x + 1)^n - 1))/x.