A234866 - OEIS

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A234866

Number of (n+2)X(5+2) 0..3 arrays with each 3X3 subblock having the sum of its 72 absolute element differences equal to 52, and no adjacent elements equal

1791552, 7418922, 33431812, 161033032, 896839320, 5592546520, 34471724096, 229415016404, 1688920660940, 11846652009938

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OFFSET

1,1

COMMENTS

Column 5 of A234867

LINKS

Table of n, a(n) for n=1..10.

EXAMPLE

Some solutions for n=1

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

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

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

CROSSREFS

Sequence in context: A043650 A234082 A140861 * A249196 A137819 A145537

Adjacent sequences: A234863 A234864 A234865 * A234867 A234868 A234869

KEYWORD

nonn

AUTHOR

R. H. Hardin, Jan 01 2014

STATUS

approved