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A266185 Number of 4Xn arrays containing n copies of 0..4-1 with no element plus any diagonal or antidiagonal neighbor equal to 4-1. 1
24, 384, 7768, 226296, 7089448, 253282792, 9451853336, 371640077992, 15004890740488, 621421685721976, 26174574774860264, 1119055728709553688, 48396501869679377480, 2113991818229740211832, 93107795487773857584184 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Row 4 of A266183.

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..16

EXAMPLE

Some solutions for n=3

..2..1..2....3..1..2....0..0..2....3..1..0....2..3..2....1..3..0....1..3..1

..0..3..0....1..3..0....1..0..2....0..2..0....1..0..3....2..0..3....3..3..2

..3..2..1....3..1..2....2..3..1....2..1..2....1..3..0....0..3..2....1..2..2

..3..1..0....0..2..0....1..3..3....1..3..3....2..0..1....1..2..1....0..0..0

CROSSREFS

Cf. A266183.

Sequence in context: A087292 A081138 A269181 * A114631 A020782 A025952

Adjacent sequences:  A266182 A266183 A266184 * A266186 A266187 A266188

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 23 2015

STATUS

approved

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Last modified October 17 01:03 EDT 2019. Contains 328103 sequences. (Running on oeis4.)