Number of (n+1)X(6+1) 0..1 arrays with the sum of each 2X2 subblock two extreme terms minus its two median terms lexicographically nondecreasing columnwise and nonincreasing rowwise.
A235771
Number of (n+1)X(6+1) 0..1 arrays with the sum of each 2X2 subblock two extreme terms minus its two median terms lexicographically nondecreasing columnwise and nonincreasing rowwise.
Terms
- a(0) =1456a(1) =15185a(2) =166904a(3) =1874171a(4) =21858973a(5) =256515598a(6) =3001277411a(7) =34219649525a(8) =377305772901
External references
- oeis: A235771