A307676 - cp's OEIS frontend

A307676 Expansion of Product_{k>=1} (1 - x^k(1 - x))/(1 - x^k(1 + x)).

n	a(n)
0	1
1	0
2	2
3	4
4	6
5	14
6	22
7	46
8	74
9	138
10	236
11	406
12	698
13	1182
14	1994
15	3342
16	5590
17	9274
18	15386
19	25380
20	41818
21	68670
22	112586
23	184210
24	300940
25	490962
26	800026
27	1302278
28	2118008
29	3442042
30	5590092
31	9073632
32	14720738
33	23872776
34	38700910
35	62720726
36	101622398
37	164617032

[1, 0, 2, 4, 6, 14, 22, 46, 74, 138, 236, 406, 698, 1182, 1994, 3342, 5590, 9274, 15386, 25380, 41818, 68670, 112586, 184210, 300940, 490962, 800026, 1302278, 2118008, 3442042, 5590092, 9073632, 14720738, 23872776, 38700910, 62720726, 101622398, 164617032]

cp's OEIS Frontend

A307676 Expansion of Product_{k>=1} (1 - x^k(1 - x))/(1 - x^k(1 + x)).

Table of values

List of values

cp's OEIS Frontend

A307676 Expansion of Product_{k>=1} (1 - x^k*(1 - x))/(1 - x^k*(1 + x)).

Table of values

List of values

A307676 Expansion of Product_{k>=1} (1 - x^k(1 - x))/(1 - x^k(1 + x)).