# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a251514 Showing 1-1 of 1 %I A251514 #4 Dec 03 2014 17:03:39 %S A251514 191708742,154952279458,127661562848818,109013443872596196, %T A251514 92544866490813863710,79196945004705113081014, %U A251514 67509268540809608425770788,57790910285824156999141421410,49334433661187311756214945282376 %N A251514 Number of (n+1)X(7+1) 0..4 arrays with every 2X2 subblock summing to a prime %C A251514 Column 7 of A251515 %H A251514 R. H. Hardin, Table of n, a(n) for n = 1..22 %e A251514 Some solutions for n=1 %e A251514 ..0..0..0..0..0..2..0..3....0..0..0..1..1..0..0..0....0..0..0..0..2..2..0..3 %e A251514 ..0..2..0..2..1..4..1..3....0..2..1..1..4..2..3..2....0..2..0..3..0..3..0..4 %K A251514 nonn %O A251514 1,1 %A A251514 _R. H. Hardin_, Dec 03 2014 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE