Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A254548
Number of (n+2)X(3+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal minimum nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =12260a(1) =34780a(2) =129677a(3) =380406a(4) =1191782a(5) =3475823a(6) =10616893a(7) =30951404a(8) =91111523a(9) =263691372a(10) =765987141a(11) =2212780259a(12) =6400292026a(13) =18481547366a(14) =53384959100a(15) =154095389517a(16) =444743856855
External references
- oeis: A254548