Number of (n+2) X (2+2) 0..1 arrays with every 3 X 3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A254485
Number of (n+2) X (2+2) 0..1 arrays with every 3 X 3 subblock diagonal maximum plus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =3264a(1) =29952a(2) =281024a(3) =2520832a(4) =21641920a(5) =186176000a(6) =1607095232a(7) =13791593728a(8) =118362940608
External references
- oeis: A254485