A304625 - cp's OEIS frontend

A304625 a(n) = [x^n] Product_{k>=1} ((1 - x^(n*k))/(1 - x^k))^n.

n	a(n)
0	1
1	0
2	3
3	19
4	101
5	501
6	2486
7	12398
8	62329
9	315436
10	1605330
11	8207552
12	42124368
13	216903051
14	1119974861
15	5796944342
16	30068145889
17	156250892593
18	813310723907
19	4239676354631
20	22130265931880
21	115654632452514
22	605081974091853
23	3168828466966365
24	16610409114771876
25	87141919856550506

[1, 0, 3, 19, 101, 501, 2486, 12398, 62329, 315436, 1605330, 8207552, 42124368, 216903051, 1119974861, 5796944342, 30068145889, 156250892593, 813310723907, 4239676354631, 22130265931880, 115654632452514, 605081974091853, 3168828466966365, 16610409114771876, 87141919856550506]

cp's OEIS Frontend

A304625 a(n) = [x^n] Product_{k>=1} ((1 - x^(n*k))/(1 - x^k))^n.

Table of values

List of values