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A251298 Number of (n+1)X(6+1) 0..3 arrays with every 2X2 subblock summing to 3 6 or 9 1
361244, 9240612, 280654684, 10472034724, 475709341972, 25252159754868, 1492135910643272, 94429432665791560, 6236898155215652824, 423010342270840123048, 29168288863040798660104, 2032195260302124232141712 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A251300

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..54

EXAMPLE

Some solutions for n=1

..0..0..0..0..3..1..2....2..2..0..0..3..0..3....0..0..2..1..1..2..0

..2..1..2..1..2..0..3....1..1..3..3..0..3..3....3..3..1..2..2..1..0

CROSSREFS

Sequence in context: A151619 A190390 A034630 * A235197 A263213 A109160

Adjacent sequences:  A251295 A251296 A251297 * A251299 A251300 A251301

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 01 2014

STATUS

approved

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Last modified May 20 21:39 EDT 2022. Contains 353876 sequences. (Running on oeis4.)