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.

A241331 Number of 4Xn 0..3 arrays with no element equal to fewer vertical neighbors than horizontal neighbors, with new values 0..3 introduced in row major order.

Table of values

n a(n)
1 15
2 1030
3 95144
4 8949808
5 842185933
6 79254376889
7 7458275852500
8 701865426977495
9 66049458199029896
10 6215623102818695436
11 584924867215713568482
12 55044698604373555829472
13 5180013732180082600538625

List of values

[15, 1030, 95144, 8949808, 842185933, 79254376889, 7458275852500, 701865426977495, 66049458199029896, 6215623102818695436, 584924867215713568482, 55044698604373555829472, 5180013732180082600538625]