A320287 - cp's OEIS frontend

A320287 a(n) = n! * [x^n] Sum_{k>=0} exp(n^kx)x^k/k!.

n	a(n)
0	1
1	2
2	6
3	56
4	2050
5	318752
6	252035714
7	980755711616
8	23647746367946754
9	3088949241542073508352
10	2940240000900000020000000002
11	16218429504693724464229916894517248
12	748528620411995327278028288988088683724802
13	210422023062476527874650307058798916093350502080512

[1, 2, 6, 56, 2050, 318752, 252035714, 980755711616, 23647746367946754, 3088949241542073508352, 2940240000900000020000000002, 16218429504693724464229916894517248, 748528620411995327278028288988088683724802, 210422023062476527874650307058798916093350502080512]

cp's OEIS Frontend

A320287 a(n) = n! * [x^n] Sum_{k>=0} exp(n^kx)x^k/k!.

Table of values

List of values

cp's OEIS Frontend

A320287 a(n) = n! * [x^n] Sum_{k>=0} exp(n^k*x)*x^k/k!.

Table of values

List of values

A320287 a(n) = n! * [x^n] Sum_{k>=0} exp(n^kx)x^k/k!.