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A239648 Number of nX7 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of elements above it, modulo 4 1
128, 38888, 13703468, 4304123072, 1393740949524, 449878848794094, 144633234041629586, 46605631116410605602, 15009686604114403319918, 4833298966552939324386658, 1556693436923279970529451138 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A239649

LINKS

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

EXAMPLE

Some solutions for n=2

..3..0..1..3..1..3..0....3..1..1..0..0..0..0....3..0..0..1..1..0..3

..2..3..0..2..2..3..3....2..1..2..0..3..1..0....3..1..3..0..2..0..3

CROSSREFS

Sequence in context: A264076 A067822 A013996 * A239404 A220301 A323541

Adjacent sequences:  A239645 A239646 A239647 * A239649 A239650 A239651

KEYWORD

nonn

AUTHOR

R. H. Hardin, Mar 23 2014

STATUS

approved

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Last modified April 19 20:51 EDT 2019. Contains 322291 sequences. (Running on oeis4.)