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 A232310 Number of (n+1)X(n+1) 0..1 arrays with every element equal to some horizontal or antidiagonal neighbor, with top left element zero 1
 2, 24, 1202, 231454, 161243887, 400571676322, 3587649343841650, 115662789623304964655, 13420410026776778616974635, 5604396268950285334109397116334, 8423557107575828118320152665611119144 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Diagonal of A232316 LINKS R. H. Hardin, Table of n, a(n) for n = 1..15 EXAMPLE Some.solutions.for.n=3 ..0..0..1..1....0..0..1..0....0..0..1..1....0..0..0..1....0..0..0..1 ..0..1..1..1....1..1..0..1....0..1..1..0....0..0..1..0....0..0..1..1 ..1..0..1..1....0..0..1..1....1..0..0..1....0..1..0..1....0..1..1..1 ..0..0..0..0....1..1..0..0....1..1..1..1....0..0..1..1....1..1..1..1 CROSSREFS Sequence in context: A307157 A354557 A137887 * A350792 A028365 A094050 Adjacent sequences: A232307 A232308 A232309 * A232311 A232312 A232313 KEYWORD nonn AUTHOR R. H. Hardin, Nov 22 2013 STATUS approved

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Last modified March 30 23:40 EDT 2023. Contains 361623 sequences. (Running on oeis4.)