# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a251512 Showing 1-1 of 1 %I A251512 #4 Dec 03 2014 17:02:26 %S A251512 2047194,376244106,70039777210,13364799461286,2540293097889030, %T A251512 485520243093380470,92544866490813863710,17691905797104926424892, %U A251512 3375591569483388884686218,645336053005728267139675958 %N A251512 Number of (n+1)X(5+1) 0..4 arrays with every 2X2 subblock summing to a prime %C A251512 Column 5 of A251515 %H A251512 R. H. Hardin, Table of n, a(n) for n = 1..210 %e A251512 Some solutions for n=1 %e A251512 ..0..1..0..1..0..0....0..0..1..2..3..2....0..0..1..2..1..1....0..1..0..4..3..0 %e A251512 ..2..0..4..0..4..3....2..1..1..3..3..3....3..2..0..0..0..3....0..4..0..1..3..1 %K A251512 nonn %O A251512 1,1 %A A251512 _R. H. Hardin_, Dec 03 2014 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE