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 A275559 Number of n X n 0..2 arrays with no element equal to any value at offset (-2,0), (-1,2) or (0,-2) and new values introduced in order 0..2. 0
 1, 14, 126, 1176, 13104, 221184, 5360184, 188294424, 9859695270, 753451571736, 86203713522030, 14475271269137334 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Diagonal of A275565. LINKS EXAMPLE Some solutions for n=4 ..0..0..1..2. .0..0..1..2. .0..0..1..2. .0..0..1..2. .0..0..1..2 ..2..0..1..1. .0..1..2..0. .0..1..1..2. .0..0..2..2. .0..1..2..2 ..2..2..0..1. .1..2..0..1. .2..1..0..0. .1..1..2..0. .1..1..0..0 ..1..2..0..0. .1..2..0..1. .2..2..0..1. .1..1..0..0. .1..2..0..1 CROSSREFS Cf. A275565. Sequence in context: A088625 A073393 A020918 * A222477 A041368 A026882 Adjacent sequences:  A275556 A275557 A275558 * A275560 A275561 A275562 KEYWORD nonn AUTHOR R. H. Hardin, Aug 01 2016 STATUS approved

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Last modified June 16 04:56 EDT 2021. Contains 345056 sequences. (Running on oeis4.)