A291697 - cp's OEIS frontend

A291697 a(n) = [x^n] Product_{k>=0} ((1 + x^(2k+1))/(1 - x^(2k+1)))^n.

n	a(n)
0	1
1	2
2	8
3	44
4	256
5	1512
6	9056
7	54896
8	335872
9	2069774
10	12827888
11	79875996
12	499305472
13	3131436856
14	19694403520
15	124165133424
16	784478240768
17	4965659813668
18	31484486937512
19	199923173603596
20	1271192603065856
21	8092551782518688
22	51574780342740256
23	329022223268286288
24	2100934234342260736

[1, 2, 8, 44, 256, 1512, 9056, 54896, 335872, 2069774, 12827888, 79875996, 499305472, 3131436856, 19694403520, 124165133424, 784478240768, 4965659813668, 31484486937512, 199923173603596, 1271192603065856, 8092551782518688, 51574780342740256, 329022223268286288, 2100934234342260736]

cp's OEIS Frontend

A291697 a(n) = [x^n] Product_{k>=0} ((1 + x^(2k+1))/(1 - x^(2k+1)))^n.

Table of values

List of values

cp's OEIS Frontend

A291697 a(n) = [x^n] Product_{k>=0} ((1 + x^(2*k+1))/(1 - x^(2*k+1)))^n.

Table of values

List of values

A291697 a(n) = [x^n] Product_{k>=0} ((1 + x^(2k+1))/(1 - x^(2k+1)))^n.