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.

A222577 Number of 5Xn 0..2 arrays with no more than floor(5Xn/2) elements unequal to at least one horizontal, diagonal or antidiagonal neighbor, with new values introduced in row major 0..2 order.

Table of values

n a(n)
1 41
2 59
3 500
4 4790
5 30766
6 543064
7 4102865
8 98594434
9 860815001
10 23440266996
11 218791888336
12 6191473414860
13 58972215470543
14 1688437861153179
15 16197610528535176

List of values

[41, 59, 500, 4790, 30766, 543064, 4102865, 98594434, 860815001, 23440266996, 218791888336, 6191473414860, 58972215470543, 1688437861153179, 16197610528535176]