A279328 - cp's OEIS frontend

A279328 Expansion of Product_{k>=1} (1 + x^(2*k)) / (1 - x^k).

n	a(n)
0	1
1	1
2	3
3	4
4	8
5	11
6	20
7	27
8	44
9	60
10	92
11	124
12	183
13	244
14	348
15	461
16	640
17	840
18	1144
19	1488
20	1992
21	2572
22	3393
23	4348
24	5668
25	7212
26	9301
27	11760
28	15024
29	18880
30	23924
31	29892
32	37596
33	46728
34	58376
35	72193
36	89644
37	110340
38	136248
39	166968
40	205115
41	250316
42	306056
43	372032
44	452876

[1, 1, 3, 4, 8, 11, 20, 27, 44, 60, 92, 124, 183, 244, 348, 461, 640, 840, 1144, 1488, 1992, 2572, 3393, 4348, 5668, 7212, 9301, 11760, 15024, 18880, 23924, 29892, 37596, 46728, 58376, 72193, 89644, 110340, 136248, 166968, 205115, 250316, 306056, 372032, 452876]

cp's OEIS Frontend

A279328 Expansion of Product_{k>=1} (1 + x^(2*k)) / (1 - x^k).

Table of values

List of values