Number of (5+2) X (n+2) 0..1 arrays with every 3 X 3 subblock diagonal sum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A254808
Number of (5+2) X (n+2) 0..1 arrays with every 3 X 3 subblock diagonal sum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =178752a(1) =479464a(2) =1200192a(3) =3369689a(4) =11392932a(5) =36042356a(6) =105040512a(7) =290370835a(8) =772044120a(9) =2117387624a(10) =5674362710a(11) =15790193498a(12) =43125762638a(13) =123241759098a(14) =352132541188
External references
- oeis: A254808