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 A230679 Number of 5 X n 0..2 arrays x(i,j) with each element horizontally, diagonally or antidiagonally next to at least one element with value 2-x(i,j). 1
 0, 2247, 251595, 28368687, 4022141121, 559929294657, 77282148036051, 10681855554910983, 1476794401334027865, 204155617303878631797, 28222820785777362856803, 3901584177313433415004191 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Row 5 of A230675. LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=3 ..0..2..1....1..0..2....0..2..0....1..0..1....1..0..1....0..0..2....0..1..1 ..1..1..0....1..1..2....0..2..0....1..1..2....2..1..2....0..2..0....1..2..2 ..0..0..0....2..2..2....1..1..2....2..0..1....0..1..0....2..0..2....2..0..2 ..2..2..2....0..0..1....2..0..2....2..0..2....0..2..1....0..2..0....0..1..2 ..0..1..1....1..1..2....2..2..0....0..2..0....0..0..2....1..1..0....1..2..0 CROSSREFS Cf. A230675. Sequence in context: A260608 A125522 A250938 * A236114 A184767 A250160 Adjacent sequences: A230676 A230677 A230678 * A230680 A230681 A230682 KEYWORD nonn AUTHOR R. H. Hardin, Oct 27 2013 STATUS approved

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Last modified August 4 23:59 EDT 2024. Contains 374934 sequences. (Running on oeis4.)