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A187374 Half the number of (n+2) X 4 0..3 arrays with each 3 X 3 subblock having sum 13 or 14. 1
578832, 16360280, 468071656, 14036056356, 454513218192, 14787300483772, 487561661150044, 16472150536557064, 557389824509298392, 18948884362536727766, 650214578145168937032, 22324403465508068603572 (list; graph; refs; listen; history; text; internal format)
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

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Last modified August 5 07:45 EDT 2021. Contains 346464 sequences. (Running on oeis4.)