A265758 - cp's OEIS frontend

A265758 Expansion of Product_{k>=1} ((1 + kx^k)/(1 - kx^k)).

n	a(n)
0	1
1	2
2	6
3	16
4	38
5	88
6	200
7	428
8	902
9	1874
10	3780
11	7504
12	14732
13	28368
14	54052
15	101960
16	189750
17	349996
18	640218
19	1159624
20	2084952
21	3722008
22	6593560
23	11606268
24	20308188
25	35312170
26	61065636
27	105060200
28	179795936
29	306244136
30	519291476
31	876554860
32	1473504846

[1, 2, 6, 16, 38, 88, 200, 428, 902, 1874, 3780, 7504, 14732, 28368, 54052, 101960, 189750, 349996, 640218, 1159624, 2084952, 3722008, 6593560, 11606268, 20308188, 35312170, 61065636, 105060200, 179795936, 306244136, 519291476, 876554860, 1473504846]

cp's OEIS Frontend

A265758 Expansion of Product_{k>=1} ((1 + kx^k)/(1 - kx^k)).

Table of values

List of values

cp's OEIS Frontend

A265758 Expansion of Product_{k>=1} ((1 + k*x^k)/(1 - k*x^k)).

Table of values

List of values

A265758 Expansion of Product_{k>=1} ((1 + kx^k)/(1 - kx^k)).