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A240324 Number of nX4 0..3 arrays with no element equal to zero 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, modulo 4 1
6, 37, 455, 3374, 21455, 189549, 1190246, 8903613, 70945972, 460466581, 3565876476, 26437586127, 180411185989, 1394924206374, 9999389423346, 71022206087648, 538759260350717, 3826996325512698, 27847080935840982 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 4 of A240327

LINKS

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

EXAMPLE

Some solutions for n=4

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

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

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

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

CROSSREFS

Sequence in context: A185036 A185236 A041062 * A283636 A211988 A285934

Adjacent sequences:  A240321 A240322 A240323 * A240325 A240326 A240327

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 03 2014

STATUS

approved

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Last modified January 20 02:45 EST 2018. Contains 297939 sequences.