A383994 - cp's OEIS frontend

A383994 Series expansion of the exponential generating function exp(wnp^!(x)) - 1 where wnp^!(x) = log(1+x) - x^2/(1+x).

n	a(n)
0	0
1	1
2	-2
3	0
4	12
5	-60
6	240
7	-840
8	1680
9	15120
10	-332640
11	4656960
12	-59209920
13	735134400
14	-9098369280
15	112345833600
16	-1365274310400
17	15746578848000
18	-155630893017600
19	762963647846400
20	22567767443020800
21	-1126188650069683200
22	35900904478389350400

[0, 1, -2, 0, 12, -60, 240, -840, 1680, 15120, -332640, 4656960, -59209920, 735134400, -9098369280, 112345833600, -1365274310400, 15746578848000, -155630893017600, 762963647846400, 22567767443020800, -1126188650069683200, 35900904478389350400]

cp's OEIS Frontend

A383994 Series expansion of the exponential generating function exp(wnp^!(x)) - 1 where wnp^!(x) = log(1+x) - x^2/(1+x).

Table of values

List of values