A369570 - cp's OEIS frontend

A369570 Expansion of Product_{k>=1} (1 + x^(k^2)) * (1 + x^k).

n	a(n)
0	1
1	2
2	2
3	3
4	5
5	7
6	9
7	12
8	15
9	20
10	27
11	33
12	41
13	52
14	65
15	80
16	99
17	120
18	145
19	177
20	213
21	255
22	305
23	363
24	430
25	511
26	604
27	709
28	833
29	976
30	1141
31	1331
32	1547
33	1793
34	2079
35	2406
36	2775
37	3197
38	3676
39	4221
40	4841
41	5541
42	6330
43	7225
44	8235
45	9372
46	10655
47	12094
48	13710
49	15529
50	17568
51	19848

[1, 2, 2, 3, 5, 7, 9, 12, 15, 20, 27, 33, 41, 52, 65, 80, 99, 120, 145, 177, 213, 255, 305, 363, 430, 511, 604, 709, 833, 976, 1141, 1331, 1547, 1793, 2079, 2406, 2775, 3197, 3676, 4221, 4841, 5541, 6330, 7225, 8235, 9372, 10655, 12094, 13710, 15529, 17568, 19848]

cp's OEIS Frontend

A369570 Expansion of Product_{k>=1} (1 + x^(k^2)) * (1 + x^k).

Table of values

List of values