A318118 - cp's OEIS frontend

A318118 a(n) = [x^n] exp(Sum_{k>=1} x^k(1 + (n - 3)x^k)/(k*(1 - x^k)^3)).

n	a(n)
0	1
1	1
2	3
3	10
4	40
5	150
6	616
7	2456
8	10102
9	41400
10	171526
11	712111
12	2972115
13	12434993
14	52195414
15	219567909
16	925704792
17	3909841659
18	16541598215
19	70085877919
20	297347922785
21	1263046810334
22	5370930049915
23	22861883482838
24	97402827429118
25	415332438952517
26	1772380322197432

[1, 1, 3, 10, 40, 150, 616, 2456, 10102, 41400, 171526, 712111, 2972115, 12434993, 52195414, 219567909, 925704792, 3909841659, 16541598215, 70085877919, 297347922785, 1263046810334, 5370930049915, 22861883482838, 97402827429118, 415332438952517, 1772380322197432]

cp's OEIS Frontend

A318118 a(n) = [x^n] exp(Sum_{k>=1} x^k(1 + (n - 3)x^k)/(k*(1 - x^k)^3)).

Table of values

List of values

cp's OEIS Frontend

A318118 a(n) = [x^n] exp(Sum_{k>=1} x^k*(1 + (n - 3)*x^k)/(k*(1 - x^k)^3)).

Table of values

List of values

A318118 a(n) = [x^n] exp(Sum_{k>=1} x^k(1 + (n - 3)x^k)/(k*(1 - x^k)^3)).