A336249 - cp's OEIS frontend

A336249 a(n) = (n!)^n * Sum_{k=0..n} 1 / ((k!)^n * (n-k)!).

n	a(n)
0	1
1	2
2	7
3	172
4	79745
5	1375363126
6	1445639634946657
7	136511607703654177490168
8	1597074319746489837872943936307201
9	3049096207067719868011671739966873049880826186
10	1209808678412717193052533393657339738066086793611743000000001

[1, 2, 7, 172, 79745, 1375363126, 1445639634946657, 136511607703654177490168, 1597074319746489837872943936307201, 3049096207067719868011671739966873049880826186, 1209808678412717193052533393657339738066086793611743000000001]

cp's OEIS Frontend

A336249 a(n) = (n!)^n * Sum_{k=0..n} 1 / ((k!)^n * (n-k)!).

Table of values

List of values