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A239854 Number of nX4 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 or one plus the sum of the elements antidiagonally to its northeast, modulo 4 1
6, 12, 78, 203, 484, 1757, 4979, 19850, 68830, 207822, 799573, 2488921, 8261626, 29985170, 94570580, 336674607, 1151293607, 3775219224, 13467393979, 44587173533, 151997573760, 528796519331, 1751682284364, 6079087768020 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Column 4 of A239858
LINKS
EXAMPLE
Some solutions for n=4
..2..3..3..2....3..2..3..2....2..3..3..2....2..3..3..2....3..2..3..2
..3..1..1..3....2..1..2..3....3..1..1..3....3..1..1..3....2..1..2..3
..3..1..1..3....3..2..2..2....2..3..2..2....3..1..1..3....3..0..2..2
..2..3..2..2....2..3..0..2....2..0..1..0....3..2..3..3....3..1..1..2
CROSSREFS
Sequence in context: A163342 A107904 A071930 * A061520 A305058 A220232
KEYWORD
nonn
AUTHOR
R. H. Hardin, Mar 28 2014
STATUS
approved

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Last modified April 15 15:27 EDT 2024. Contains 371692 sequences. (Running on oeis4.)