# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a278174 Showing 1-1 of 1 %I A278174 #4 Nov 13 2016 16:09:12 %S A278174 0,43,737,17396,396024,9120939,209105063,4797179760,110034231906, %T A278174 2523955236624,57893739618179,1327951316712237,30460184207856087, %U A278174 698687420488831794,16026301711146587408,367606943763824641516 %N A278174 Number of nX5 0..1 arrays with every element both equal and not equal to some elements at offset (-1,0) (-1,1) (0,-1) (0,1) (1,-1) or (1,0), with upper left element zero. %C A278174 Column 5 of A278177. %H A278174 R. H. Hardin, Table of n, a(n) for n = 1..210 %e A278174 Some solutions for n=4 %e A278174 ..0..0..0..1..0. .0..0..0..0..0. .0..0..1..0..0. .0..0..1..0..0 %e A278174 ..1..1..1..0..0. .1..1..1..1..0. .1..1..1..1..1. .1..1..1..1..0 %e A278174 ..1..0..0..1..1. .0..1..1..1..1. .1..0..1..0..1. .1..0..0..1..1 %e A278174 ..1..1..1..0..0. .0..0..0..0..1. .1..0..1..0..0. .1..1..0..0..1 %Y A278174 Cf. A278177. %K A278174 nonn %O A278174 1,2 %A A278174 _R. H. Hardin_, Nov 13 2016 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE