A341251 - cp's OEIS frontend

A341251 Expansion of (-1 + Product_{k>=1} 1 / (1 + (-x)^k))^9.

n	a(n)
9	1
10	0
11	9
12	9
13	45
14	81
15	201
16	414
17	828
18	1650
19	3060
20	5697
21	10131
22	17829
23	30564
24	51543
25	85482
26	139455
27	224527
28	356436
29	559341
30	867405
31	1331208
32	2022525
33	3044331
34	4542174
35	6720705
36	9866794
37	14377941
38	20804994
39	29903823
40	42709860
41	60631011
42	85575855
43	120118500
44	167716548

[1, 0, 9, 9, 45, 81, 201, 414, 828, 1650, 3060, 5697, 10131, 17829, 30564, 51543, 85482, 139455, 224527, 356436, 559341, 867405, 1331208, 2022525, 3044331, 4542174, 6720705, 9866794, 14377941, 20804994, 29903823, 42709860, 60631011, 85575855, 120118500, 167716548]

cp's OEIS Frontend

A341251 Expansion of (-1 + Product_{k>=1} 1 / (1 + (-x)^k))^9.

Table of values

List of values