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 A234866 Number of (n+2)X(5+2) 0..3 arrays with each 3X3 subblock having the sum of its 72 absolute element differences equal to 52, and no adjacent elements equal 0
 1791552, 7418922, 33431812, 161033032, 896839320, 5592546520, 34471724096, 229415016404, 1688920660940, 11846652009938 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 5 of A234867 LINKS Table of n, a(n) for n=1..10. EXAMPLE Some solutions for n=1 ..0..1..2..0..1..3..2....0..3..1..0..2..0..2....0..2..3..0..2..3..0 ..2..3..0..3..0..1..3....2..0..3..1..0..3..0....2..3..0..1..3..0..2 ..0..1..3..1..2..3..0....1..2..0..2..3..1..2....0..1..2..0..1..2..0 CROSSREFS Sequence in context: A043650 A234082 A140861 * A249196 A137819 A145537 Adjacent sequences: A234863 A234864 A234865 * A234867 A234868 A234869 KEYWORD nonn AUTHOR R. H. Hardin, Jan 01 2014 STATUS approved

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Last modified September 15 22:11 EDT 2024. Contains 375959 sequences. (Running on oeis4.)