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A240262 Number of 3Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or one plus the sum of the 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
16, 89, 707, 5610, 45436, 368247, 2999288, 24450441, 199470500, 1627847603, 13287235058, 108467239175, 885493532143, 7229102785596, 59018758172819, 481836050193261, 3933783172023771, 32116083219836091, 262201568692536081 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 3 of A240260
LINKS
EXAMPLE
Some solutions for n=5
..0..0..0..0..2....2..0..0..2..2....0..2..2..2..2....0..0..2..2..2
..0..2..0..2..2....0..2..0..0..2....2..0..0..0..2....0..2..2..2..2
..2..2..0..2..2....2..0..2..0..0....0..0..2..1..2....2..2..0..0..2
CROSSREFS
Sequence in context: A302084 A229399 A269078 * A264531 A192129 A253131
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 03 2014
STATUS
approved

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Last modified December 7 23:30 EST 2023. Contains 367662 sequences. (Running on oeis4.)