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 A233636 Number of (n+1)X(n+1) 0..2 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 2 1
 24, 534, 26192, 3455622, 1060656512, 864270587606, 1663637150636064, 8467990788094853738, 102371522246758691277864, 3269963168017705080985673118, 248504876118364953895295524844600 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A233644 LINKS R. H. Hardin, Table of n, a(n) for n = 1..12 EXAMPLE Some solutions for n=3 ..2..2..1..2....1..1..1..1....1..0..1..1....1..1..2..2....1..0..0..1 ..1..1..1..1....2..1..0..0....1..1..1..0....2..1..2..1....1..1..1..1 ..0..0..1..0....2..1..1..1....1..2..1..1....1..1..1..1....1..2..2..1 ..1..1..1..0....2..1..2..1....2..2..1..2....1..2..2..2....1..1..2..2 CROSSREFS Sequence in context: A264956 A055007 A014907 * A121905 A192835 A235118 Adjacent sequences: A233633 A233634 A233635 * A233637 A233638 A233639 KEYWORD nonn AUTHOR R. H. Hardin, Dec 14 2013 STATUS approved

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Last modified March 22 09:08 EDT 2023. Contains 361423 sequences. (Running on oeis4.)