A318976 - cp's OEIS frontend

A318976 Expansion of e.g.f. Product_{k>=1} ((1 + x^k)/(1 - x^k))^(phi(k)/k), where phi is the Euler totient function A000010.

n	a(n)
0	1
1	2
2	6
3	32
4	196
5	1512
6	13384
7	135872
8	1545744
9	19441952
10	268386784
11	4018603008
12	65021744704
13	1127284876928
14	20880206388864
15	410781080941568
16	8561002328678656
17	188224613741879808
18	4355496092560324096
19	105752112730661347328
20	2688539359466319184896

[1, 2, 6, 32, 196, 1512, 13384, 135872, 1545744, 19441952, 268386784, 4018603008, 65021744704, 1127284876928, 20880206388864, 410781080941568, 8561002328678656, 188224613741879808, 4355496092560324096, 105752112730661347328, 2688539359466319184896]

cp's OEIS Frontend

A318976 Expansion of e.g.f. Product_{k>=1} ((1 + x^k)/(1 - x^k))^(phi(k)/k), where phi is the Euler totient function A000010.

Table of values

List of values