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.

A233144 Number of nX5 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.

Original entry on oeis.org

99, 65120, 54777233, 46648134615, 39758352524643, 33888199682535539, 28884899976580380572, 24620306768807426333200, 20985343167021965911162917, 17887048875466336149601526265, 15246189454569664730345411176252
Offset: 1

Views

Author

R. H. Hardin, Dec 04 2013

Keywords

Comments

Column 5 of A233147

Examples

			Some solutions for n=2
..0..1..0..4..2....0..1..2..5..4....0..1..2..1..2....0..1..2..4..5
..3..0..3..4..0....1..0..2..5..2....1..1..1..0..2....0..1..0..2..1