A228648 - cp's OEIS frontend

A228648 G.f.: exp( Sum_{n>=1} A001609(n^2)*x^n/n ), where the l.g.f. of A001609 is -log(1-x-x^3).

n	a(n)
0	1
1	1
2	3
3	13
4	128
5	2974
6	161048
7	19632276
8	5284440413
9	3112165670205
10	3990553641147871
11	11107142249379896577
12	66971338268043285905138
13	873496931276771661395863398
14	24617613776054408956962658439353
15	1497874647146694311608664496205734267
16	196633628592570082430451891781759097556806

[1, 1, 3, 13, 128, 2974, 161048, 19632276, 5284440413, 3112165670205, 3990553641147871, 11107142249379896577, 66971338268043285905138, 873496931276771661395863398, 24617613776054408956962658439353, 1497874647146694311608664496205734267, 196633628592570082430451891781759097556806]

cp's OEIS Frontend

A228648 G.f.: exp( Sum_{n>=1} A001609(n^2)*x^n/n ), where the l.g.f. of A001609 is -log(1-x-x^3).

Table of values

List of values