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 A184086 Number of (n+1)X(n+1) 0..3 arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one 0
 86, 260, 9483, 368326, 91203410, 55632308352 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A184095 LINKS EXAMPLE Some solutions for 4X4 ..0..1..1..2....1..2..3..3....1..2..2..3....1..1..2..2....1..1..2..2 ..1..0..1..0....1..3..0..2....2..2..2..2....1..2..0..2....1..3..0..2 ..1..1..2..0....1..3..2..3....2..2..2..3....2..0..3..0....2..1..3..1 ..2..0..0..1....2..3..0..2....2..2..3..1....3..0..1..0....2..3..0..3 ... ...2..3..4.......7..8..8.......7..8..9.......5..5..6.......6..6..6... ...3..4..3.......8..8..7.......8..8..9.......5..5..5.......7..7..6... ...4..3..3.......9..8..7.......8..9..9.......5..4..4.......8..7..7... CROSSREFS Sequence in context: A184087 A304518 A306112 * A113690 A043379 A256804 Adjacent sequences:  A184083 A184084 A184085 * A184087 A184088 A184089 KEYWORD nonn AUTHOR R. H. Hardin Jan 09 2011 STATUS approved

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Last modified October 16 11:11 EDT 2019. Contains 328056 sequences. (Running on oeis4.)