Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column.
A251466
Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column.
Terms
- a(0) =50306a(1) =373380a(2) =2678350a(3) =14306546a(4) =75006354a(5) =324243821a(6) =1378354755a(7) =5171467239a(8) =19112759465a(9) =64992838581a(10) =218002148541a(11) =691112888352
External references
- oeis: A251466