A233144 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give

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

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

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

Column 5 of A233147

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

EXAMPLE

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

CROSSREFS