Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A254551
Number of (n+2)X(6+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =586508a(1) =1206693a(2) =3557566a(3) =11160591a(4) =22508196a(5) =64180262a(6) =159929222a(7) =422261032a(8) =1101303388a(9) =3062450549a(10) =8283415776a(11) =22818508394a(12) =62067929634a(13) =169576348216a(14) =462453098494
External references
- oeis: A254551