A239818 Number of nX7 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it, modulo 4

312, 118253, 36627126, 12059066460, 3842974545029, 1246285848518417, 399696014140196630, 129035213192353255123, 41500218830682985410810, 13375093569069190733883673, 4305661324527210642658505946

Offset

1,1

Comments

Column 7 of A239819

Links

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

Example

Some solutions for n=2
..2..0..0..0..3..2..0....2..3..3..2..0..3..0....3..0..0..0..0..2..2
..1..0..0..2..2..0..3....2..1..2..2..0..2..3....3..0..0..0..2..0..0

Crossrefs

Sequence in context: A283492 A112729 A308837 * A290181 A282792 A008694

Adjacent sequences: A239815 A239816 A239817 * A239819 A239820 A239821

Keyword

nonn

Author

R. H. Hardin, Mar 27 2014

Status

approved