# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a296404 Showing 1-1 of 1 %I A296404 #6 Mar 25 2023 22:19:46 %S A296404 1,289,4560,110554,3939121,107541673,3068113721,90097748288, %T A296404 2600708602697,75199003513063,2177790921375079,63025869220333603, %U A296404 1824132928895167966,52797260271592457318,1528116017845740163428 %N A296404 Number of n X 7 0..1 arrays with each 1 horizontally, vertically or antidiagonally adjacent to 2 or 3 neighboring 1's. %C A296404 Column 7 of A296405. %H A296404 R. H. Hardin, Table of n, a(n) for n = 1..210 %e A296404 Some solutions for n=4 %e A296404 ..1..1..0..1..1..0..0. .0..0..0..0..1..1..0. .0..0..1..0..0..0..1 %e A296404 ..1..0..1..1..0..1..1. .0..0..0..1..0..1..1. .0..1..1..1..0..1..1 %e A296404 ..1..1..0..0..1..0..1. .0..1..1..0..0..1..0. .1..0..0..1..0..0..0 %e A296404 ..1..0..0..1..1..1..0. .0..1..0..0..0..0..0. .1..1..1..1..0..0..0 %Y A296404 Cf. A296405. %K A296404 nonn %O A296404 1,2 %A A296404 _R. H. Hardin_, Dec 11 2017 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE