Number of (n+1)X(2+1) 0..3 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column.
A251476
Number of (n+1)X(2+1) 0..3 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column.
Terms
- a(0) =586a(1) =3904a(2) =24182a(3) =123739a(4) =609565a(5) =2696488a(6) =11697274a(7) =47575204a(8) =191527226a(9) =740673411a(10) =2848714884a(11) =10679966309a(12) =39919058437a(13) =146791696499a(14) =538812135978
External references
- oeis: A251476