A251341 Number of (n+1)X(6+1) 0..3 arrays with every 2X2 subblock summing to a nonzero multiple of 3.

397000, 12022920, 486098916, 27005232676, 1921884757552, 159630812543048, 14450351430729220, 1370689197849454348, 133364903363727279712, 13158366374644613586752, 1308299260415520510948444

Offset

1,1

Comments

Column 6 of A251343

Links

R. H. Hardin, Table of n, a(n) for n = 1..52

Example

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

Crossrefs

Sequence in context: A224633 A050434 A224630 * A234331 A250925 A230148

Adjacent sequences: A251338 A251339 A251340 * A251342 A251343 A251344

Keyword

nonn

Author

R. H. Hardin, Dec 01 2014

Status

approved