Number of (7+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A254810
Number of (7+2)X(n+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =2201616a(1) =5237645a(2) =12325478a(3) =33038951a(4) =91512698a(5) =238103801a(6) =434785178a(7) =1088826673a(8) =3089894442a(9) =8868325562a(10) =25015224842a(11) =68790853067a(12) =193737960982a(13) =539777647627
External references
- oeis: A254810