cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A328031 Upper bound for the determinant of an n X n matrix whose entries are a permutation of the multiset {1^n,...,n^n}.

Table of values

n a(n)
0 1
1 1
2 3
3 18
4 172
5 2343
6 42439
7 976050
8 27583338
9 934173632
10 37180409223
11 1711870023666
12 90007747560742
13 5346164992890599
14 355442084718552178
15 26244000000000000000
16 2137205155719002036203
17 190811368062993357765186
18 18577775646585813239195436
19 1963166636163973976912956096

List of values

[1, 1, 3, 18, 172, 2343, 42439, 976050, 27583338, 934173632, 37180409223, 1711870023666, 90007747560742, 5346164992890599, 355442084718552178, 26244000000000000000, 2137205155719002036203, 190811368062993357765186, 18577775646585813239195436, 1963166636163973976912956096]