A358687 - cp's OEIS frontend

A358687 a(n) = n! * Sum_{k=0..n} k^(3 * (n-k)) / (n-k)!.

n	a(n)
0	1
1	1
2	4
3	57
4	1444
5	61785
6	4050126
7	373648513
8	47101090744
9	7764843893265
10	1630744323319450
11	426925697290933401
12	136591846585403311620
13	52602030074554601172649
14	24058544668572618782040022
15	12916480280574798627072144465

[1, 1, 4, 57, 1444, 61785, 4050126, 373648513, 47101090744, 7764843893265, 1630744323319450, 426925697290933401, 136591846585403311620, 52602030074554601172649, 24058544668572618782040022, 12916480280574798627072144465]

cp's OEIS Frontend

A358687 a(n) = n! * Sum_{k=0..n} k^(3 * (n-k)) / (n-k)!.

Table of values

List of values