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A241280 Number of nX4 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4 1
7, 13, 126, 773, 6783, 77955, 1009773, 14440961, 217830879, 3381893022, 53303588755, 846694715304, 13502819912939, 215775668844659, 3451661371624419, 55243520432395260, 884402593677949937 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A241283

LINKS

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

EXAMPLE

Some solutions for n=4

..3..3..2..3....3..2..3..3....3..2..3..2....3..2..3..2....3..3..2..3

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

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

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

CROSSREFS

Sequence in context: A283920 A128351 A192894 * A219703 A198947 A050946

Adjacent sequences:  A241277 A241278 A241279 * A241281 A241282 A241283

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 18 2014

STATUS

approved

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Last modified June 6 17:33 EDT 2020. Contains 334831 sequences. (Running on oeis4.)