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.

A233145 Number of nX6 0..5 arrays with no element x(i,j) adjacent to value 5-x(i,j) horizontally, antidiagonally or vertically, top left element zero, and 1 appearing before 2 3 and 4, and 2 appearing before 3 in row major order.

Table of values

n a(n)
1 452
2 1158334
3 3556749764
4 10976545771938
5 33888199682535539
6 104628720219120084935
7 323040050513644831673711
8 997383803217605432845939113
9 3079415768120334362937355766441

List of values

[452, 1158334, 3556749764, 10976545771938, 33888199682535539, 104628720219120084935, 323040050513644831673711, 997383803217605432845939113, 3079415768120334362937355766441]

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

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