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 A240323 Number of nX3 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4 1
 4, 17, 116, 455, 1677, 8091, 28448, 117304, 513841, 1871262, 7963314, 32859835, 125032724, 531287384, 2129046798, 8380565700, 35092450158, 139319279619, 559869375850, 2308650810237, 9177286253390, 37241010454269, 151821739788451 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 3 of A240327 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=4 ..3..2..3....3..2..2....3..2..2....2..3..3....3..2..3....2..3..2....2..3..3 ..2..1..1....2..1..1....2..3..0....3..1..2....2..1..1....3..1..3....3..0..1 ..3..0..2....3..0..0....3..2..0....3..1..3....3..2..2....3..1..2....2..1..1 ..3..2..0....2..1..2....3..2..0....2..3..2....2..3..0....3..2..2....2..1..0 CROSSREFS Sequence in context: A330535 A004140 A271612 * A335945 A360879 A206353 Adjacent sequences: A240320 A240321 A240322 * A240324 A240325 A240326 KEYWORD nonn AUTHOR R. H. Hardin, Apr 03 2014 STATUS approved

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Last modified March 29 19:01 EDT 2023. Contains 361599 sequences. (Running on oeis4.)