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A240409 Number of nX4 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4 1
6, 80, 846, 11670, 148536, 2051450, 27295809, 377924479, 5090700587, 70407569019, 954551839061, 13174232753505, 179288052424091, 2469879998025684, 33692295233425277, 463482286724987999, 6332258123206034509 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A240412

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A132547 A248530 A229574 * A275137 A167570 A177776

Adjacent sequences:  A240406 A240407 A240408 * A240410 A240411 A240412

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 04 2014

STATUS

approved

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Last modified July 23 16:10 EDT 2019. Contains 325258 sequences. (Running on oeis4.)