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 A253618 Number of (3+2)X(n+2) 0..2 arrays with every consecutive three elements in every row and diagonal having one or two distinct values, and in every column and antidiagonal having two or three distinct values, and new values 0 upwards introduced in row major order 1
 97232, 2501365, 61983527, 1542279536, 38837441580, 976284568169, 24520064704692, 616420419246184, 15495062392570291, 389477333623837200, 9790472335323840057, 246106165158312931395, 6186423429210636825785 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 3 of A253615 LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=1 ..0..0..0....0..1..1....0..0..1....0..0..1....0..1..0....0..0..1....0..1..0 ..1..2..1....1..2..1....0..2..2....1..1..2....1..0..0....2..1..2....0..0..1 ..2..0..0....2..0..0....1..1..2....0..2..0....2..2..1....2..2..0....1..2..1 ..0..1..0....1..1..0....0..1..0....1..0..1....0..0..1....1..0..1....0..0..0 ..0..0..2....2..0..2....1..0..1....2..2..0....2..2..0....1..1..0....1..2..1 CROSSREFS Sequence in context: A235299 A186013 A102868 * A205042 A184494 A251833 Adjacent sequences: A253615 A253616 A253617 * A253619 A253620 A253621 KEYWORD nonn AUTHOR R. H. Hardin, Jan 05 2015 STATUS approved

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Last modified March 21 22:04 EDT 2023. Contains 361411 sequences. (Running on oeis4.)