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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
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
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.)