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 A281164 Number of nX7 0..1 arrays with no element equal to more than three of its king-move neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards. 1
 0, 1388, 84443, 619502, 4098895, 22796763, 111826676, 511077328, 2213577238, 9219387478, 37243761722, 146843636089, 567586366405, 2158163009599, 8094169842566, 30006682413781, 110139856305082, 400800296115796 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 COMMENTS Column 7 of A281165. LINKS R. H. Hardin, Table of n, a(n) for n = 1..83 EXAMPLE Some solutions for n=3 ..0..1..0..1..1..0..1. .0..1..0..0..0..1..0. .0..0..1..1..0..1..0 ..1..1..0..1..0..1..1. .0..1..0..1..1..0..1. .1..0..0..1..0..1..1 ..0..0..1..1..0..1..0. .1..0..1..0..1..1..0. .1..1..1..0..1..1..0 CROSSREFS Cf. A281165. Sequence in context: A253497 A253490 A253451 * A250816 A031983 A249970 Adjacent sequences: A281161 A281162 A281163 * A281165 A281166 A281167 KEYWORD nonn AUTHOR R. H. Hardin, Jan 16 2017 STATUS approved

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Last modified May 24 23:50 EDT 2024. Contains 372782 sequences. (Running on oeis4.)