Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock antidiagonal maximum minus diagonal minimum nondecreasing horizontally and diagonal maximum minus antidiagonal minimum nondecreasing vertically.
A253532
Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock antidiagonal maximum minus diagonal minimum nondecreasing horizontally and diagonal maximum minus antidiagonal minimum nondecreasing vertically.
Terms
- a(0) =291511a(1) =416901a(2) =700492a(3) =2008246a(4) =3362641a(5) =8304638a(6) =14461240a(7) =32033588a(8) =59607552a(9) =124813784a(10) =242121763a(11) =493771928a(12) =974611910a(13) =1961963209a(14) =3893098180a(15) =7782225094a(16) =15452647455a(17) =30765684442a(18) =61058042269a(19) =121308073001
External references
- oeis: A253532