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.

A233086 Number of 5Xn 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally or antidiagonally, top left element zero, and 1 appearing before 2 in row major order.

Table of values

n a(n)
1 136
2 9842
3 875165
4 77824814
5 6938214854
6 618844579511
7 55204524946337
8 4924730456325950
9 439332915121147814
10 39192753113196729071
11 3496374576586734284957
12 311910622275336283545350

List of values

[136, 9842, 875165, 77824814, 6938214854, 618844579511, 55204524946337, 4924730456325950, 439332915121147814, 39192753113196729071, 3496374576586734284957, 311910622275336283545350]

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

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