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.

A362280 a(n) is the number of n X n matrices using all the integers from 1 to n^2 with trace equal to the antitrace.

Table of values

n a(n)
1 1
2 8
3 32640
4 606108303360
5 288646869784585568256000
6 3978466023641262138239999300075520000000
7 4808293482959682489757553576215163849442438886195200000000000
8 669887741948823664389458168162886859168459418141304785844082510440658108416000000000000

List of values

[1, 8, 32640, 606108303360, 288646869784585568256000, 3978466023641262138239999300075520000000, 4808293482959682489757553576215163849442438886195200000000000, 669887741948823664389458168162886859168459418141304785844082510440658108416000000000000]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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