A258344 - cp's OEIS frontend

A258344 Expansion of Product_{k>=1} (1+x^k)^(k*(k-1)).

n	a(n)
0	1
1	0
2	2
3	6
4	13
5	32
6	69
7	160
8	344
9	760
10	1601
11	3384
12	7022
13	14434
14	29361
15	59140
16	118089
17	233754
18	459293
19	895382
20	1733904
21	3334914
22	6374654
23	12111632
24	22881777
25	42993244
26	80362496
27	149464404
28	276657082
29	509740278
30	935046158
31	1707916988
32	3106810873
33	5629121054

[1, 0, 2, 6, 13, 32, 69, 160, 344, 760, 1601, 3384, 7022, 14434, 29361, 59140, 118089, 233754, 459293, 895382, 1733904, 3334914, 6374654, 12111632, 22881777, 42993244, 80362496, 149464404, 276657082, 509740278, 935046158, 1707916988, 3106810873, 5629121054]

cp's OEIS Frontend

A258344 Expansion of Product_{k>=1} (1+x^k)^(k*(k-1)).

Table of values

List of values