A251350 Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock summing to 3 4 or 5

2751003, 1484345363, 851555497489, 499036482452523, 294431140648806145, 174138621993095863507, 103080390183621380574945, 61037103329051885036755407, 36146149604336570512614106833

Offset

1,1

Comments

Column 7 of A251351

Links

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

Example

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

Crossrefs

Sequence in context: A104848 A234370 A051384 * A238070 A306634 A015336

Adjacent sequences: A251347 A251348 A251349 * A251351 A251352 A251353

Keyword

nonn

Author

R. H. Hardin, Dec 01 2014

Status

approved