A262803 - cp's OEIS frontend

A262803 Expansion of Product_{k>=1} (1 + x^k) / (1 - x^k)^k.

n	a(n)
0	1
1	2
2	5
3	12
4	26
5	54
6	110
7	214
8	409
9	764
10	1400
11	2520
12	4475
13	7828
14	13532
15	23124
16	39102
17	65472
18	108658
19	178786
20	291883
21	472984
22	761119
23	1216696
24	1932898
25	3052462
26	4793464
27	7487122
28	11634771
29	17991760
30	27692230
31	42431778
32	64737414
33	98360742
34	148853817
35	224405254

[1, 2, 5, 12, 26, 54, 110, 214, 409, 764, 1400, 2520, 4475, 7828, 13532, 23124, 39102, 65472, 108658, 178786, 291883, 472984, 761119, 1216696, 1932898, 3052462, 4793464, 7487122, 11634771, 17991760, 27692230, 42431778, 64737414, 98360742, 148853817, 224405254]

cp's OEIS Frontend

A262803 Expansion of Product_{k>=1} (1 + x^k) / (1 - x^k)^k.

Table of values

List of values