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A233791 Number of (n+1)X(7+1) 0..3 arrays with every 2X2 subblock having the sum of the squares of all six edge and diagonal differences equal to 11 1
169920, 2368972, 27765752, 443965172, 5726453720, 106891645888, 1472672162576, 31932787967364, 458614308877824, 11270712344470932, 165693256189402560, 4455859426015622536, 66305123717859542600, 1888352999421710351828 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Column 7 of A233792

LINKS

R. H. Hardin, Table of n, a(n) for n = 1..84

EXAMPLE

Some solutions for n=1

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

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

CROSSREFS

Sequence in context: A233802 A233796 A288356 * A116890 A254550 A254557

Adjacent sequences:  A233788 A233789 A233790 * A233792 A233793 A233794

KEYWORD

nonn

AUTHOR

R. H. Hardin, Dec 15 2013

STATUS

approved

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Last modified October 4 04:26 EDT 2022. Contains 357237 sequences. (Running on oeis4.)