A300412 - cp's OEIS frontend

A300412 a(n) = [x^n] Product_{k>=1} ((1 + nx^k)/(1 - nx^k))^k.

n	a(n)
0	1
1	2
2	16
3	144
4	1376
5	15800
6	210816
7	3333372
8	61688448
9	1318588146
10	32004369200
11	869282342632
12	26099925704928
13	857736429098848
14	30605729417479104
15	1177841009504482200
16	48614265201514729984
17	2141639401723095243324
18	100282931820560447963568
19	4973060138191518242569120

[1, 2, 16, 144, 1376, 15800, 210816, 3333372, 61688448, 1318588146, 32004369200, 869282342632, 26099925704928, 857736429098848, 30605729417479104, 1177841009504482200, 48614265201514729984, 2141639401723095243324, 100282931820560447963568, 4973060138191518242569120]

cp's OEIS Frontend

A300412 a(n) = [x^n] Product_{k>=1} ((1 + nx^k)/(1 - nx^k))^k.

Table of values

List of values

cp's OEIS Frontend

A300412 a(n) = [x^n] Product_{k>=1} ((1 + n*x^k)/(1 - n*x^k))^k.

Table of values

List of values

A300412 a(n) = [x^n] Product_{k>=1} ((1 + nx^k)/(1 - nx^k))^k.