A239854 - OEIS

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

6, 12, 78, 203, 484, 1757, 4979, 19850, 68830, 207822, 799573, 2488921, 8261626, 29985170, 94570580, 336674607, 1151293607, 3775219224, 13467393979, 44587173533, 151997573760, 528796519331, 1751682284364, 6079087768020

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OFFSET

1,1

COMMENTS

Column 4 of A239858

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..210

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: A107904 A071930 A372180 * A061520 A305058 A220232

Adjacent sequences: A239851 A239852 A239853 * A239855 A239856 A239857

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 28 2014

STATUS

approved