A318814 - cp's OEIS frontend

A318814 Expansion of e.g.f. Product_{k>=1} ((1 + x^k)/(1 - x^k))^(sigma(k)/k).

n	a(n)
0	1
1	2
2	10
3	64
4	512
5	4768
6	53056
7	645440
8	8868352
9	133302016
10	2184149504
11	38530160128
12	733246566400
13	14834910150656
14	319778313883648
15	7292507623063552
16	175517505539538944
17	4440588163825008640
18	117969026857318678528
19	3276703253565946855424
20	95086071773832697348096

[1, 2, 10, 64, 512, 4768, 53056, 645440, 8868352, 133302016, 2184149504, 38530160128, 733246566400, 14834910150656, 319778313883648, 7292507623063552, 175517505539538944, 4440588163825008640, 117969026857318678528, 3276703253565946855424, 95086071773832697348096]

cp's OEIS Frontend

A318814 Expansion of e.g.f. Product_{k>=1} ((1 + x^k)/(1 - x^k))^(sigma(k)/k).

Table of values

List of values