A303483 - cp's OEIS frontend

A303483 a(n) = [x^n] Product_{k=1..n} ((1 + x^k)/(1 - x^k))^(n-k+1).

n	a(n)
0	1
1	2
2	10
3	64
4	436
5	3072
6	22096
7	161148
8	1187118
9	8812050
10	65806720
11	493827256
12	3720698056
13	28128081912
14	213258301824
15	1620878656280
16	12346263051028
17	94221026620572
18	720267101230410
19	5514346833878672
20	42274910234115352
21	324490877248800232
22	2493471670778297856
23	19179885230907692452

[1, 2, 10, 64, 436, 3072, 22096, 161148, 1187118, 8812050, 65806720, 493827256, 3720698056, 28128081912, 213258301824, 1620878656280, 12346263051028, 94221026620572, 720267101230410, 5514346833878672, 42274910234115352, 324490877248800232, 2493471670778297856, 19179885230907692452]

cp's OEIS Frontend

A303483 a(n) = [x^n] Product_{k=1..n} ((1 + x^k)/(1 - x^k))^(n-k+1).

Table of values

List of values