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.

A239817 Number of n X 6 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it, modulo 4.

Table of values

n a(n)
1 132
2 21602
3 2912793
4 418324402
5 58232200212
6 8243207656791
7 1154988223050638
8 162794110794893005
9 22871029907841066549
10 3218700464551459701771
11 452563580936326395762181
12 63663914001474387730433692

List of values

[132, 21602, 2912793, 418324402, 58232200212, 8243207656791, 1154988223050638, 162794110794893005, 22871029907841066549, 3218700464551459701771, 452563580936326395762181, 63663914001474387730433692]

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

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