

A240421


Number of nX5 0..3 arrays with no element equal to two plus the sum of elements to its left or two plus the sum of elements above it or two plus the sum of the elements diagonally to its northwest, modulo 4


1



63, 2045, 52711, 1197511, 27488435, 619040901, 14838256141, 349768244657, 8746284074471, 212768975785239, 5439041489223935, 134541898503391615, 3471367418548587711, 86596907275765997247, 2241321207498299744197
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OFFSET

1,1


COMMENTS



LINKS



EXAMPLE

Some solutions for n=3
..0..0..0..0..3....0..0..1..0..1....0..3..3..3..1....0..1..0..0..1
..1..1..1..3..3....0..1..0..1..1....0..3..0..0..2....1..0..0..1..1
..0..1..0..2..2....0..0..1..1..2....3..3..2..3..3....0..0..1..1..2


CROSSREFS



KEYWORD

nonn


AUTHOR



STATUS

approved



