A251342 - OEIS

A251342

Number of (n+1)X(7+1) 0..3 arrays with every 2X2 subblock summing to a nonzero multiple of 3

2190625, 99776859, 6775415354, 687109914883, 91970680872031, 14450351430729220, 2476540453681100993, 444899690539687485323, 81997849049595954137818, 15325729998270029389138691

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OFFSET

1,1

COMMENTS

Column 7 of A251343

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..21

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A224581 A224588 A234332 * A019289 A254803 A254810

Adjacent sequences: A251339 A251340 A251341 * A251343 A251344 A251345

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 01 2014

STATUS

approved