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 A234106 Number of (n+1)X(n+1) 0..4 arrays with every 2X2 subblock having the sum of the absolute values of all six edge and diagonal differences equal to 12 0
 56, 608, 7732, 151304, 4093912, 178269116, 10603143992, 1110254693508 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A234114 LINKS Table of n, a(n) for n=1..8. EXAMPLE Some solutions for n=4 ..3..0..3..3..0....0..3..0..0..3....3..0..4..0..3....0..0..3..0..4 ..0..3..0..0..3....3..0..3..3..4....3..0..0..0..3....4..0..3..0..0 ..3..0..3..3..4....0..3..4..0..3....0..3..3..3..0....0..0..3..0..4 ..0..3..4..0..3....4..3..0..0..3....3..0..4..0..3....0..4..3..0..0 ..3..0..3..3..4....3..0..3..3..4....4..3..3..3..4....3..3..0..3..3 CROSSREFS Sequence in context: A027793 A244945 A055747 * A219475 A264212 A027813 Adjacent sequences: A234103 A234104 A234105 * A234107 A234108 A234109 KEYWORD nonn AUTHOR R. H. Hardin, Dec 19 2013 STATUS approved

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Last modified March 4 12:45 EST 2024. Contains 370532 sequences. (Running on oeis4.)