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 A266184 Number of 3Xn arrays containing n copies of 0..3-1 with no element plus any diagonal or antidiagonal neighbor equal to 3-1. 1
 6, 22, 88, 296, 1372, 6128, 29552, 147570, 755512, 3945876, 21025260, 113229974, 617874744, 3397997370, 18844357820, 105109392654, 589660050052, 3322222401602, 18796006629928, 106695843736852, 607569787629568 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Row 3 of A266183. LINKS R. H. Hardin, Table of n, a(n) for n = 1..73 EXAMPLE Some solutions for n=4 ..1..2..0..2....2..0..2..1....2..0..2..1....1..2..0..2....0..2..0..2 ..2..0..1..1....0..2..0..1....0..1..0..2....1..0..1..0....2..0..2..0 ..1..2..0..0....1..0..2..1....0..1..2..1....0..2..1..2....1..1..1..1 CROSSREFS Cf. A266183. Sequence in context: A003699 A047124 A046365 * A255465 A289603 A349834 Adjacent sequences: A266181 A266182 A266183 * A266185 A266186 A266187 KEYWORD nonn AUTHOR R. H. Hardin, Dec 23 2015 STATUS approved

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Last modified June 2 20:13 EDT 2023. Contains 363100 sequences. (Running on oeis4.)