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

128, 38888, 13703468, 4304123072, 1393740949524, 449878848794094, 144633234041629586, 46605631116410605602, 15009686604114403319918, 4833298966552939324386658, 1556693436923279970529451138

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 * A364173 A239404 A220301

Adjacent sequences: A239645 A239646 A239647 * A239649 A239650 A239651

Keyword

nonn

Author

R. H. Hardin, Mar 23 2014

Status

approved