A258790 - cp's OEIS frontend

A258790 a(n) = [x^n] Product_{k=1..n} 1/(x^(3k)(1-x^k)).

n	a(n)
0	1
1	1
2	6
3	48
4	411
5	3765
6	36308
7	363446
8	3742085
9	39405777
10	422669224
11	4603472960
12	50790334667
13	566603884871
14	6381702580969
15	72481863380510
16	829331355150992
17	9551576115706329
18	110654552651370400
19	1288710163262774157
20	15080440970246785366
21	177237948953055593475

[1, 1, 6, 48, 411, 3765, 36308, 363446, 3742085, 39405777, 422669224, 4603472960, 50790334667, 566603884871, 6381702580969, 72481863380510, 829331355150992, 9551576115706329, 110654552651370400, 1288710163262774157, 15080440970246785366, 177237948953055593475]

cp's OEIS Frontend

A258790 a(n) = [x^n] Product_{k=1..n} 1/(x^(3k)(1-x^k)).

Table of values

List of values

cp's OEIS Frontend

A258790 a(n) = [x^n] Product_{k=1..n} 1/(x^(3*k)*(1-x^k)).

Table of values

List of values

A258790 a(n) = [x^n] Product_{k=1..n} 1/(x^(3k)(1-x^k)).