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 A266017 Number of 7Xn integer arrays with each element equal to the number of horizontal and antidiagonal neighbors equal to itself. 1
 1, 1, 102, 44, 483, 1561, 10708, 62684, 145344, 253394, 1663567, 7253158, 20436396, 81005594, 346203546, 1298613540, 4729960051, 18275111422, 70440272974, 267189128408, 1008549687107, 3827029447559, 14623357809480, 55686510400311 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Row 7 of A266012. LINKS R. H. Hardin, Table of n, a(n) for n = 1..210 EXAMPLE Some solutions for n=4 ..0..1..1..0....0..1..2..2....0..1..2..2....0..1..1..0....0..2..2..1 ..0..2..2..1....1..2..2..0....1..2..2..0....0..2..2..0....2..2..1..0 ..2..2..1..0....0..1..1..0....0..1..1..0....2..2..1..0....0..2..2..0 ..0..2..2..0....0..2..2..0....0..2..2..1....0..1..2..2....2..2..1..0 ..2..2..1..1....2..2..1..0....2..2..1..0....0..2..2..0....0..1..2..2 ..0..2..2..0....0..1..2..2....0..2..2..1....0..1..2..2....0..2..2..0 ..2..2..1..1....0..2..2..0....2..2..1..0....1..2..2..0....0..1..1..0 CROSSREFS Cf. A266012. Sequence in context: A325775 A204749 A244949 * A144469 A009101 A031962 Adjacent sequences:  A266014 A266015 A266016 * A266018 A266019 A266020 KEYWORD nonn AUTHOR R. H. Hardin, Dec 20 2015 STATUS approved

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Last modified May 17 14:19 EDT 2022. Contains 353746 sequences. (Running on oeis4.)