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A233730 Number of (n+1)X(5+1) 0..3 arrays with every 2X2 subblock having the sum of the absolute values of the edge differences equal to 6 and no adjacent elements equal 2
7976, 115972, 1851404, 32240288, 578163016, 10577526052, 195088215888, 3616933627344, 67204709367712, 1250516988640176, 23282612726211812, 433669103881115132, 8078852328328338404, 150521113304511790216 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 5 of A233733

LINKS

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

EXAMPLE

Some solutions for n=2

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

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

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

CROSSREFS

Sequence in context: A157660 A236786 A252190 * A175507 A126893 A217068

Adjacent sequences:  A233727 A233728 A233729 * A233731 A233732 A233733

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 15 2013

STATUS

approved

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Last modified January 27 22:22 EST 2022. Contains 350654 sequences. (Running on oeis4.)