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 A280063 Number of n X n 0..1 arrays with no element unequal to a strict majority of its horizontal, vertical and antidiagonal neighbors and with new values introduced in order 0 sequentially upwards. 0
 1, 1, 5, 52, 790, 23564, 1188839, 110266512, 18113056960, 5286615353516, 2755789744812452 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Diagonal of A280069. LINKS Table of n, a(n) for n=1..11. EXAMPLE Some solutions for n=4 ..0..0..1..1. .0..0..0..1. .0..0..1..1. .0..0..0..1. .0..0..0..0 ..0..0..1..1. .0..0..1..1. .0..0..1..1. .0..0..1..1. .0..0..0..0 ..0..0..0..0. .0..0..1..1. .0..0..1..1. .1..1..0..0. .1..1..1..0 ..0..0..0..0. .0..0..0..0. .0..0..1..1. .1..0..0..0. .1..1..1..0 CROSSREFS Cf. A280069. Sequence in context: A134111 A071583 A099881 * A357346 A196531 A108459 Adjacent sequences: A280060 A280061 A280062 * A280064 A280065 A280066 KEYWORD nonn AUTHOR R. H. Hardin, Dec 25 2016 STATUS approved

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Last modified June 7 22:39 EDT 2023. Contains 363157 sequences. (Running on oeis4.)