A281683 - cp's OEIS frontend

A281683 Expansion of Product_{k>=1} (1 - x^(2k-1))^(2k-1)/(1 - x^(2k))^(2k).

n	a(n)
0	1
1	-1
2	2
3	-5
4	10
5	-18
6	32
7	-59
8	106
9	-181
10	305
11	-518
12	867
13	-1418
14	2301
15	-3724
16	5966
17	-9448
18	14862
19	-23263
20	36165
21	-55802
22	85609
23	-130732
24	198574
25	-299941
26	450946
27	-675153
28	1006395
29	-1493598
30	2207928
31	-3251926
32	4771934
33	-6977018
34	10166502
35	-14766512
36	21379861

[1, -1, 2, -5, 10, -18, 32, -59, 106, -181, 305, -518, 867, -1418, 2301, -3724, 5966, -9448, 14862, -23263, 36165, -55802, 85609, -130732, 198574, -299941, 450946, -675153, 1006395, -1493598, 2207928, -3251926, 4771934, -6977018, 10166502, -14766512, 21379861]

cp's OEIS Frontend

A281683 Expansion of Product_{k>=1} (1 - x^(2k-1))^(2k-1)/(1 - x^(2k))^(2k).

Table of values

List of values

cp's OEIS Frontend

A281683 Expansion of Product_{k>=1} (1 - x^(2*k-1))^(2*k-1)/(1 - x^(2*k))^(2*k).

Table of values

List of values

A281683 Expansion of Product_{k>=1} (1 - x^(2k-1))^(2k-1)/(1 - x^(2k))^(2k).