Number of (n+1)X(5+1) 0..2 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column.
A251464
Number of (n+1)X(5+1) 0..2 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column.
Terms
- a(0) =5926a(1) =38509a(2) =239572a(3) =1125843a(4) =5145888a(5) =19854533a(6) =75006354a(7) =255126617a(8) =853011914a(9) =2668157253a(10) =8219717614a(11) =24279045133a(12) =70676062040a(13) =200592222675a(14) =560962999717
External references
- oeis: A251464