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 A186010 1/8192 the number of (n+2)X(n+2) 0..3 arrays with no 3X3 subblock trace equal to any horizontal or vertical neighbor 3X3 subblock trace 0
 32, 301296, 28935691550, 28418702031939836, 283178106619218127407323, 28654609946372050600800562086387 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A186019 LINKS Table of n, a(n) for n=1..6. EXAMPLE Some solutions for 4X4 ..2..0..0..0....0..0..0..0....2..0..0..0....0..0..0..0....2..0..0..0 ..0..2..0..0....0..0..0..0....0..2..0..0....0..0..0..0....0..2..0..0 ..0..1..2..2....1..2..1..2....0..2..3..1....2..2..0..1....2..2..0..1 ..1..3..2..0....1..2..2..0....1..0..1..0....3..3..2..0....1..2..0..3 CROSSREFS Sequence in context: A094814 A017297 A228427 * A017417 A286179 A017549 Adjacent sequences: A186007 A186008 A186009 * A186011 A186012 A186013 KEYWORD nonn AUTHOR R. H. Hardin Feb 10 2011 STATUS approved

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Last modified September 26 07:08 EDT 2023. Contains 365653 sequences. (Running on oeis4.)