login
A239595
Number of nX3 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 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
10, 15, 31, 82, 177, 458, 1071, 2150, 5209, 11204, 24273, 58130, 123647, 278779, 634283, 1360984, 3103558, 6892041, 15084730, 34250268, 75240998, 167095718, 375589317, 825397281, 1846103269, 4114306092, 9085354958, 20337008173
OFFSET
1,1
COMMENTS
Column 3 of A239599
LINKS
EXAMPLE
Some solutions for n=4
..3..0..0....3..2..3....3..2..2....2..0..0....3..0..0....2..0..0....2..3..2
..2..3..0....2..1..2....2..1..2....2..0..3....2..3..2....2..0..0....2..1..2
..3..2..2....3..1..3....3..1..3....3..2..2....3..2..0....3..2..2....3..2..2
..2..1..0....3..2..3....2..3..2....3..2..0....2..3..2....2..1..2....3..1..2
CROSSREFS
Sequence in context: A171956 A271743 A060535 * A037379 A055049 A128703
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 22 2014
STATUS
approved