A303071 - cp's OEIS frontend

A303071 a(n) = [x^n] (1/(1 - x))*Product_{k>=1} (1 + x^k)^n.

n	a(n)
0	1
1	2
2	6
3	23
4	90
5	362
6	1491
7	6225
8	26242
9	111479
10	476466
11	2046464
12	8825559
13	38191467
14	165751529
15	721177328
16	3144703234
17	13739010855
18	60127642329
19	263545670385
20	1156732481150
21	5083320593976
22	22364017244278
23	98491038664903
24	434160710647831
25	1915482295831037
26	8457663096970431

[1, 2, 6, 23, 90, 362, 1491, 6225, 26242, 111479, 476466, 2046464, 8825559, 38191467, 165751529, 721177328, 3144703234, 13739010855, 60127642329, 263545670385, 1156732481150, 5083320593976, 22364017244278, 98491038664903, 434160710647831, 1915482295831037, 8457663096970431]

cp's OEIS Frontend

A303071 a(n) = [x^n] (1/(1 - x))*Product_{k>=1} (1 + x^k)^n.

Table of values

List of values