A333045 - cp's OEIS frontend

A333045 Expansion of Product_{k>=1} (1 + x^sigma(k)) / (1 - x^sigma(k)).

n	a(n)
0	1
1	2
2	2
3	4
4	8
5	10
6	14
7	24
8	34
9	44
10	62
11	86
12	116
13	156
14	206
15	274
16	362
17	462
18	598
19	782
20	994
21	1258
22	1606
23	2018
24	2528
25	3178
26	3952
27	4904
28	6094
29	7490
30	9194
31	11322
32	13834
33	16836
34	20518
35	24880
36	30086
37	36366
38	43792
39	52656
40	63250
41	75626
42	90344
43	107926
44	128422
45	152546

[1, 2, 2, 4, 8, 10, 14, 24, 34, 44, 62, 86, 116, 156, 206, 274, 362, 462, 598, 782, 994, 1258, 1606, 2018, 2528, 3178, 3952, 4904, 6094, 7490, 9194, 11322, 13834, 16836, 20518, 24880, 30086, 36366, 43792, 52656, 63250, 75626, 90344, 107926, 128422, 152546]

cp's OEIS Frontend

A333045 Expansion of Product_{k>=1} (1 + x^sigma(k)) / (1 - x^sigma(k)).

Table of values

List of values