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.

A068253 1/3 of the number of colorings of an n X n square array with 3 colors.

Table of values

n a(n)
1 1
2 6
3 82
4 2604
5 193662
6 33865632
7 13956665236
8 13574876544396
9 31191658416342674
10 169426507164530254380
11 2176592549084872196370724
12 66158464020552857153017287240
13 4759146677426447759184119036493676
14 810410082813497381147177065840601910384

List of values

[1, 6, 82, 2604, 193662, 33865632, 13956665236, 13574876544396, 31191658416342674, 169426507164530254380, 2176592549084872196370724, 66158464020552857153017287240, 4759146677426447759184119036493676, 810410082813497381147177065840601910384]

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

Content is available under The OEIS End-User License Agreement.