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A240191 Number of nX6 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 three plus the sum of the elements diagonally to its northwest, modulo 4 1
1, 50, 1908, 40765, 1399773, 28061567, 733907809, 19388521135, 394134037392, 10503093361772, 254148197056864, 5694113978673887, 149969038048214610, 3469042519947752022, 82120588801140926261, 2085283919698276811475 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Column 6 of A240192

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..17

EXAMPLE

Some solutions for n=4

..2..0..0..0..0..0....2..0..0..0..0..0....2..0..0..0..0..0....2..0..0..0..0..0

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

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

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

CROSSREFS

Sequence in context: A164986 A224121 A238283 * A231696 A285877 A156087

Adjacent sequences:  A240188 A240189 A240190 * A240192 A240193 A240194

KEYWORD

nonn

AUTHOR

R. H. Hardin, Apr 02 2014

STATUS

approved

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Last modified December 5 12:24 EST 2021. Contains 349557 sequences. (Running on oeis4.)