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 A252948 Number of (n+2)X(4+2) 0..2 arrays with every consecutive three elements in every row, column and nw-se diagonal having exactly two distinct values, and new values 0 upwards introduced in row major order 1
 11943, 57978, 334197, 2101338, 13646115, 90331596, 603797472, 4053062745, 27261133281, 183573601551, 1236849898797, 8335733861484, 56186781207696, 378754028778393, 2553271491665079, 17212557055072455, 116037485548768206 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Column 4 of A252952 LINKS R. H. Hardin, Table of n, a(n) for n = 1..161 EXAMPLE Some solutions for n=2 ..0..1..1..0..0..2....0..0..1..1..0..0....0..0..1..1..2..1....0..1..1..2..1..1 ..1..2..1..2..1..2....1..1..0..0..1..1....2..0..0..2..0..0....0..1..0..1..1..2 ..1..1..2..2..1..1....1..0..1..1..0..0....0..1..1..2..2..1....1..0..1..1..0..1 ..0..2..2..1..2..1....0..1..0..0..1..1....0..1..1..0..0..1....0..0..1..0..1..1 CROSSREFS Sequence in context: A321157 A237635 A344629 * A065701 A237491 A235074 Adjacent sequences:  A252945 A252946 A252947 * A252949 A252950 A252951 KEYWORD nonn AUTHOR R. H. Hardin, Dec 25 2014 STATUS approved

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Last modified May 25 02:55 EDT 2022. Contains 354047 sequences. (Running on oeis4.)