A368770 - cp's OEIS frontend

A368770 a(n) = (n!)^3 * Sum_{k=0..n} k/(k!)^3.

n	a(n)
0	0
1	1
2	10
3	273
4	17476
5	2184505
6	471853086
7	161845608505
8	82864951554568
9	60408549683280081
10	60408549683280081010
11	80403779628445787824321
12	138937731197954321360426700
13	305246195441905644028857459913
14	837595560292589087215184870001286

[0, 1, 10, 273, 17476, 2184505, 471853086, 161845608505, 82864951554568, 60408549683280081, 60408549683280081010, 80403779628445787824321, 138937731197954321360426700, 305246195441905644028857459913, 837595560292589087215184870001286]

cp's OEIS Frontend

A368770 a(n) = (n!)^3 * Sum_{k=0..n} k/(k!)^3.

Table of values

List of values