A251372 Number of (n+1) X (7+1) 0..2 arrays with every 2 X 2 subblock summing to 1 2 3 4 5 6 or 7.

36590017, 207202101873, 1171676222709377, 6626420822196876929, 37475289004151496747521, 211939290252887391404913105, 1198610045118318903896947691841, 6778667859264959218007000710080097

Offset

1,1

Comments

Column 7 of A251373.

Links

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

Example

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

Crossrefs

Cf. A251373.

Sequence in context: A254396 A253984 A081641 * A204852 A345630 A346285

Adjacent sequences: A251369 A251370 A251371 * A251373 A251374 A251375

Keyword

nonn

Author

R. H. Hardin, Dec 01 2014

Status

approved