A258791 - cp's OEIS frontend

A258791 a(n) = [x^n] Product_{k=1..n} 1/(x^k*(1-x^k)^2).

n	a(n)
0	1
1	3
2	20
3	158
4	1307
5	11352
6	102538
7	954904
8	9112038
9	88723163
10	878714118
11	8829998320
12	89848944237
13	924291213496
14	9600148608620
15	100565064076006
16	1061498376477423
17	11281275452880277
18	120635822090127386
19	1297256892395670322
20	14021436433125959714

[1, 3, 20, 158, 1307, 11352, 102538, 954904, 9112038, 88723163, 878714118, 8829998320, 89848944237, 924291213496, 9600148608620, 100565064076006, 1061498376477423, 11281275452880277, 120635822090127386, 1297256892395670322, 14021436433125959714]

cp's OEIS Frontend

A258791 a(n) = [x^n] Product_{k=1..n} 1/(x^k*(1-x^k)^2).

Table of values

List of values