A292317 - cp's OEIS frontend

A292317 Expansion of Product_{k>=1} ((1 - kx^k)/(1 + kx^k)).

n	a(n)
0	1
1	-2
2	-2
3	0
4	6
5	8
6	0
7	4
8	-10
9	-50
10	-36
11	16
12	12
13	80
14	44
15	88
16	390
17	180
18	-94
19	-712
20	-1624
21	-312
22	-688
23	1476
24	4444
25	-6954
26	-5812
27	3816
28	7728
29	36600
30	25708
31	-13308
32	-53586
33	-127048
34	10104
35	120936
36	73490
37	157400
38	-395168
39	-529472
40	833888
41	265916
42	19300
43	-1132576

[1, -2, -2, 0, 6, 8, 0, 4, -10, -50, -36, 16, 12, 80, 44, 88, 390, 180, -94, -712, -1624, -312, -688, 1476, 4444, -6954, -5812, 3816, 7728, 36600, 25708, -13308, -53586, -127048, 10104, 120936, 73490, 157400, -395168, -529472, 833888, 265916, 19300, -1132576]

cp's OEIS Frontend

A292317 Expansion of Product_{k>=1} ((1 - kx^k)/(1 + kx^k)).

Table of values

List of values

cp's OEIS Frontend

A292317 Expansion of Product_{k>=1} ((1 - k*x^k)/(1 + k*x^k)).

Table of values

List of values

A292317 Expansion of Product_{k>=1} ((1 - kx^k)/(1 + kx^k)).