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A240403
Number of nX4 0..3 arrays with no element equal to one plus the sum of elements to its left or three plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4
1
4, 24, 235, 1304, 13648, 98837, 692520, 6686074, 47001423, 368795251, 3172886576, 22843492846, 188803534301, 1516806583206, 11402126592178, 94073248811059, 733120766691045, 5706868084005386, 46267999865467117, 358824411389642466
OFFSET
1,1
COMMENTS
Column 4 of A240406
LINKS
EXAMPLE
Some solutions for n=4
..2..1..1..2....2..1..2..1....2..1..1..2....2..1..1..2....2..1..2..1
..2..1..2..3....3..1..2..1....2..1..2..0....3..3..2..2....3..3..2..3
..2..0..0..2....3..2..1..2....2..0..0..2....3..2..3..2....2..2..2..2
..3..3..0..0....2..1..2..1....2..0..1..1....2..0..0..2....3..3..0..0
CROSSREFS
Sequence in context: A370875 A234012 A244760 * A366734 A074598 A346631
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 04 2014
STATUS
approved