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 A233709 Number of (n+1)X(n+1) 0..4 arrays with every 2X2 subblock having the sum of the squares of the edge differences equal to 14 0
 96, 2624, 136960, 18407992, 5886720368, 4918448758808, 10112718125166672, 53740179167608102520 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A233717 LINKS EXAMPLE Some solutions for n=3 ..1..4..1..1....2..3..3..3....1..3..1..3....2..3..1..3....0..2..4..4 ..2..4..3..4....2..0..1..0....4..3..0..3....0..0..0..0....3..2..1..3 ..1..4..1..1....3..0..3..3....1..3..1..1....1..3..1..3....0..2..4..3 ..3..4..3..4....2..0..1..0....0..3..4..3....4..3..4..4....3..2..1..3 CROSSREFS Sequence in context: A204624 A090449 A336677 * A268901 A239158 A105254 Adjacent sequences: A233706 A233707 A233708 * A233710 A233711 A233712 KEYWORD nonn AUTHOR R. H. Hardin, Dec 15 2013 STATUS approved

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Last modified February 4 23:12 EST 2023. Contains 360082 sequences. (Running on oeis4.)