A285462 - cp's OEIS frontend

A285462 Expansion of Product_{k>=1} ((1 + x^(2*k)) / (1 - x^k))^k.

n	a(n)
0	1
1	1
2	4
3	7
4	18
5	32
6	72
7	127
8	257
9	454
10	861
11	1497
12	2719
13	4654
14	8171
15	13781
16	23564
17	39159
18	65559
19	107455
20	176712
21	286000
22	463200
23	740910
24	1184123
25	1873656
26	2959376
27	4636145
28	7245680
29	11246590
30	17409731
31	26792371
32	41114202
33	62769820
34	95553779
35	144803917

[1, 1, 4, 7, 18, 32, 72, 127, 257, 454, 861, 1497, 2719, 4654, 8171, 13781, 23564, 39159, 65559, 107455, 176712, 286000, 463200, 740910, 1184123, 1873656, 2959376, 4636145, 7245680, 11246590, 17409731, 26792371, 41114202, 62769820, 95553779, 144803917]

cp's OEIS Frontend

A285462 Expansion of Product_{k>=1} ((1 + x^(2*k)) / (1 - x^k))^k.

Table of values

List of values