Number of (n+1) X (6+1) 0..2 arrays with every 2 X 2 subblock summing to a prime and those sums nondecreasing in every row and column.
A251465
Number of (n+1) X (6+1) 0..2 arrays with every 2 X 2 subblock summing to a prime and those sums nondecreasing in every row and column.
Terms
- a(0) =17424a(1) =120982a(2) =809934a(3) =4053903a(4) =19854533a(5) =80967696a(6) =324243821a(7) =1156109395a(8) =4058563375a(9) =13208174936a(10) =42390687109a(11) =129441198533a(12) =390073441352
External references
- oeis: A251465