# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a304132 Showing 1-1 of 1 %I A304132 #8 May 07 2018 08:03:30 %S A304132 21,103,89,244,582,1321,2945,6333,13315,28932,63006,134021,284831, %T A304132 607277,1291893,2755806,5876374,12482965,26539285,56520687,120314557, %U A304132 256086726,545101754,1160070321,2469739659,5259410891,11198740071,23845751230 %N A304132 Number of nX7 0..1 arrays with every element unequal to 0, 1, 3 or 6 king-move adjacent elements, with upper left element zero. %C A304132 Column 7 of A304133. %H A304132 R. H. Hardin, Table of n, a(n) for n = 1..210 %H A304132 R. H. Hardin, Empirical recurrence of order 79 %F A304132 Empirical recurrence of order 79 (see link above) %e A304132 Some solutions for n=5 %e A304132 ..0..0..1..1..1..0..0. .0..0..1..1..1..1..1. .0..0..1..1..0..0..0 %e A304132 ..0..1..1..1..1..1..0. .0..1..1..1..1..1..0. .0..1..1..1..1..0..0 %e A304132 ..1..1..1..1..0..0..0. .0..0..0..1..1..0..0. .1..1..1..1..1..1..0 %e A304132 ..0..0..1..1..1..0..0. .0..0..1..1..1..1..1. .1..1..1..1..0..0..0 %e A304132 ..0..1..1..1..1..1..0. .0..1..1..1..1..1..0. .1..1..1..1..1..0..0 %Y A304132 Cf. A304133. %K A304132 nonn %O A304132 1,1 %A A304132 _R. H. Hardin_, May 07 2018 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE