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A234216 Number of (n+1)X(7+1) 0..4 arrays with every 2X2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11 1
385536, 5219076, 61124816, 972664988, 12541330624, 232097384988, 3176900588064, 68467230785600, 972253980324272, 24017782620233436, 347692490449459912, 9542089220246179200, 139313868342610403984 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A234217

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..37

EXAMPLE

Some solutions for n=1

..0..0..0..1..2..1..0..1....1..3..4..2..1..2..4..4....1..0..1..2..1..0..2..0

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

CROSSREFS

Sequence in context: A157843 A206167 A206381 * A258686 A157739 A233491

Adjacent sequences:  A234213 A234214 A234215 * A234217 A234218 A234219

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 21 2013

STATUS

approved

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Last modified October 22 19:03 EDT 2020. Contains 337953 sequences. (Running on oeis4.)