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.

A068240 1/2 the number of colorings of a 4 X 4 square array with n colors.

Table of values

n a(n)
2 1
3 3906
4 3000366
5 414425080
6 19064362455
7 428429377026
8 5861180425996
9 55823546748096
10 403783634784285
11 2353615149832210
12 11531349080992026
13 48981767072238936
14 184656623163700051
15 629125059062885490
16 1964980839044519640
17 5691311662142685376

List of values

[1, 3906, 3000366, 414425080, 19064362455, 428429377026, 5861180425996, 55823546748096, 403783634784285, 2353615149832210, 11531349080992026, 48981767072238936, 184656623163700051, 629125059062885490, 1964980839044519640, 5691311662142685376]

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

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