A320236 - cp's OEIS frontend

A320236 G.f.: Product_{k>=1, j>=1} 1/(1 - x^(k*j))^2.

n	a(n)
0	1
1	2
2	7
3	16
4	41
5	86
6	193
7	384
8	787
9	1504
10	2899
11	5338
12	9852
13	17586
14	31330
15	54490
16	94350
17	160370
18	271171
19	451776
20	748460
21	1225106
22	1993860
23	3212378
24	5146851
25	8175114
26	12915747
27	20252564
28	31595134
29	48964310
30	75515995
31	115777684
32	176696336
33	268231986
34	405436258

[1, 2, 7, 16, 41, 86, 193, 384, 787, 1504, 2899, 5338, 9852, 17586, 31330, 54490, 94350, 160370, 271171, 451776, 748460, 1225106, 1993860, 3212378, 5146851, 8175114, 12915747, 20252564, 31595134, 48964310, 75515995, 115777684, 176696336, 268231986, 405436258]

cp's OEIS Frontend

A320236 G.f.: Product_{k>=1, j>=1} 1/(1 - x^(k*j))^2.

Table of values

List of values