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.

A239999 Number of nX6 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4.

Table of values

n a(n)
1 7
2 95
3 2766
4 104291
5 4267171
6 191691132
7 9314138750
8 491124025940
9 27909482079539
10 1692630653817741
11 107957214893703974

List of values

[7, 95, 2766, 104291, 4267171, 191691132, 9314138750, 491124025940, 27909482079539, 1692630653817741, 107957214893703974]

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

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