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A233642 Number of (n+1)X(6+1) 0..2 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 2 1
15768, 572192, 19123682, 694104494, 24003655980, 864270587606, 30250564851612, 1082598416214700, 38114965726925884, 1358911341861305270, 47995747611030495806, 1707399403360990895390, 60412361890509292502562 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 6 of A233644

LINKS

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

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A190834 A183966 A187031 * A246042 A235755 A235530

Adjacent sequences:  A233639 A233640 A233641 * A233643 A233644 A233645

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 14 2013

STATUS

approved

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Last modified September 20 21:58 EDT 2021. Contains 347591 sequences. (Running on oeis4.)