A293989 - cp's OEIS frontend

A293989 a(0) = a(1) = 1 and a(n) = n! * [x^n] exp((1/(1-x)^(n-1) - 1)/(n-1)) for n > 1.

n	a(n)
0	1
1	1
2	3
3	22
4	273
5	4956
6	122215
7	3909228
8	156878337
9	7694191648
10	451507161771
11	31157580173160
12	2493155105671153
13	228656777880920832
14	23802477358410219183
15	2788676280294791340496
16	364998736798930722881025
17	53020798447231578364796928

[1, 1, 3, 22, 273, 4956, 122215, 3909228, 156878337, 7694191648, 451507161771, 31157580173160, 2493155105671153, 228656777880920832, 23802477358410219183, 2788676280294791340496, 364998736798930722881025, 53020798447231578364796928]

cp's OEIS Frontend

A293989 a(0) = a(1) = 1 and a(n) = n! * [x^n] exp((1/(1-x)^(n-1) - 1)/(n-1)) for n > 1.

Table of values

List of values