A305255 - cp's OEIS frontend

A305255 a(n) = [x^n] exp(Sum_{k>=1} (-1)^kx^k/(k(1 - x^k)^n)).

n	a(n)
0	1
1	-1
2	-1
3	-4
4	-3
5	14
6	240
7	1686
8	9479
9	36761
10	3412
11	-1951731
12	-27296124
13	-268495319
14	-2093667873
15	-11586874946
16	-3788945531
17	1127535019748
18	21900095232973
19	297591401221473
20	3270627818325128
21	28116733997044842
22	129815302615081267
23	-1568168714539146596
24	-59839621829784309343

[1, -1, -1, -4, -3, 14, 240, 1686, 9479, 36761, 3412, -1951731, -27296124, -268495319, -2093667873, -11586874946, -3788945531, 1127535019748, 21900095232973, 297591401221473, 3270627818325128, 28116733997044842, 129815302615081267, -1568168714539146596, -59839621829784309343]

cp's OEIS Frontend

A305255 a(n) = [x^n] exp(Sum_{k>=1} (-1)^kx^k/(k(1 - x^k)^n)).

Table of values

List of values

cp's OEIS Frontend

A305255 a(n) = [x^n] exp(Sum_{k>=1} (-1)^k*x^k/(k*(1 - x^k)^n)).

Table of values

List of values

A305255 a(n) = [x^n] exp(Sum_{k>=1} (-1)^kx^k/(k(1 - x^k)^n)).