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.

A222376 Number of nX5 0..3 arrays with no more than floor(nX5/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..3 order.

Table of values

n a(n)
1 5
2 63
3 498
4 20340
5 271141
6 16985929
7 286125939
8 20743320247
9 373691424190
10 27882988244881
11 509605326368069
12 38307687628079400
13 703184052898346968
14 52999539133762131621
15 974700127061083249468
16 73589121388228405830161

List of values

[5, 63, 498, 20340, 271141, 16985929, 286125939, 20743320247, 373691424190, 27882988244881, 509605326368069, 38307687628079400, 703184052898346968, 52999539133762131621, 974700127061083249468, 73589121388228405830161]