A336259 - cp's OEIS frontend

A336259 a(0) = 1; a(n) = (n!)^3 * Sum_{k=0..n-1} a(k) / (k! * (n-k))^3.

n	a(n)
0	1
1	1
2	9
3	278
4	20464
5	2948824
6	735078968
7	291153023664
8	172201253334528
9	145044581320046592
10	167609226267379703808
11	257816558769660828601344
12	514890814087717253133447168
13	1307445058678686737908660752384
14	4146656933568759002389401276616704

[1, 1, 9, 278, 20464, 2948824, 735078968, 291153023664, 172201253334528, 145044581320046592, 167609226267379703808, 257816558769660828601344, 514890814087717253133447168, 1307445058678686737908660752384, 4146656933568759002389401276616704]

cp's OEIS Frontend

A336259 a(0) = 1; a(n) = (n!)^3 * Sum_{k=0..n-1} a(k) / (k! * (n-k))^3.

Table of values

List of values