A293864 - cp's OEIS frontend

A293864 a(0) = a(1) = 1; a(n) = n! * [x^n] (Sum_{k=0..n-1} a(k)*x^k/k!)^n.

n	a(n)
0	1
1	1
2	2
3	42
4	2472
5	295320
6	61369920
7	20250513360
8	9970976453760
9	6994020967113600
10	6738118625057702400
11	8654627604114610272000
12	14457770976132703296000000
13	30761772133454776218220416000
14	81885712959925376996901780172800
15	268520193454950330194198952198144000

[1, 1, 2, 42, 2472, 295320, 61369920, 20250513360, 9970976453760, 6994020967113600, 6738118625057702400, 8654627604114610272000, 14457770976132703296000000, 30761772133454776218220416000, 81885712959925376996901780172800, 268520193454950330194198952198144000]

cp's OEIS Frontend

A293864 a(0) = a(1) = 1; a(n) = n! * [x^n] (Sum_{k=0..n-1} a(k)*x^k/k!)^n.

Table of values

List of values