Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal minimum nondecreasing horizontally and vertically.
A254241
Number of (n+2)X(7+2) 0..1 arrays with every 3X3 subblock diagonal sum plus antidiagonal minimum nondecreasing horizontally and vertically.
Terms
- a(0) =1700100a(1) =7570126a(2) =46946080a(3) =277964612a(4) =823990321a(5) =3047978749a(6) =9935634151a(7) =29382711821a(8) =95953540161a(9) =293785336653a(10) =833373370033
External references
- oeis: A254241