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A240758 Number of nX4 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of elements above it or zero plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4 1
25, 42, 142, 348, 653, 1809, 3606, 8307, 20609, 42658, 103913, 235174, 519261, 1234747, 2728224, 6283093, 14453348, 32323190, 74859774, 169422762, 385308220, 885034945, 2001772191, 4581389621, 10446058187, 23735064262, 54294354277 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A240760
LINKS
EXAMPLE
Some solutions for n=4
..3..3..1..1....2..2..2..2....2..2..2..2....3..3..1..1....3..3..2..3
..2..0..2..3....3..1..3..3....3..1..3..1....2..0..2..3....2..0..1..1
..2..0..2..3....2..2..2..2....2..0..2..2....3..1..0..3....3..1..0..3
..2..0..0..2....2..0..0..2....2..1..1..3....3..1..2..1....3..2..0..1
CROSSREFS
Sequence in context: A366428 A195564 A147287 * A031331 A236838 A138091
KEYWORD
nonn
AUTHOR
R. H. Hardin, Apr 12 2014
STATUS
approved

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Last modified July 13 21:44 EDT 2024. Contains 374288 sequences. (Running on oeis4.)