Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
A254801
Number of (n+2)X(5+2) 0..1 arrays with every 3X3 subblock diagonal sum minus antidiagonal median nondecreasing horizontally, vertically and ne-to-sw antidiagonally.
Terms
- a(0) =178752a(1) =426308a(2) =1133390a(3) =3330874a(4) =11392932a(5) =34629826a(6) =91512698a(7) =255130532a(8) =687853766a(9) =2020357475a(10) =5546266810a(11) =16046872703a(12) =44547584174a(13) =130713009819a(14) =377271153312
External references
- oeis: A254801