A187374 Half the number of (n+2) X 4 0..3 arrays with each 3 X 3 subblock having sum 13 or 14.

578832, 16360280, 468071656, 14036056356, 454513218192, 14787300483772, 487561661150044, 16472150536557064, 557389824509298392, 18948884362536727766, 650214578145168937032, 22324403465508068603572

Offset

1,1

Comments

Column 2 of A187376.

Links

R. H. Hardin, Table of n, a(n) for n = 1..140

Example

Some solutions for 6 X 4
..0..0..0..0....0..0..0..0....0..0..0..2....0..0..0..2....0..0..0..2
..2..2..2..3....2..2..2..2....2..2..2..0....2..2..2..3....2..2..2..0
..2..2..3..1....3..2..2..3....3..2..3..2....2..2..3..0....3..2..2..3
..1..0..0..1....0..0..0..1....0..0..0..3....0..0..1..0....0..0..1..2
..0..3..2..2....1..3..2..1....2..2..2..0....2..1..3..3....2..0..3..1
..3..2..3..1....2..2..3..2....3..3..2..2....1..2..3..1....2..3..3..0

Crossrefs

Cf. A187376.

Sequence in context: A213965 A204731 A119402 * A237209 A234226 A190682

Adjacent sequences: A187371 A187372 A187373 * A187375 A187376 A187377

Keyword

nonn

Author

R. H. Hardin Mar 09 2011

Status

approved