Number of (n+2)X(1+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A254161
Number of (n+2)X(1+2) 0..1 arrays with every 3X3 subblock diagonal maximum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =512a(1) =3036a(2) =16240a(3) =76832a(4) =348032a(5) =1511152a(6) =6440848a(7) =27128324a(8) =113712184a(9) =475820928a(10) =1990141264a(11) =8325715216a(12) =34837433912a(13) =145798977252a(14) =610246788472
External references
- oeis: A254161