Number of (n+1)X(5+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.
A235770
Number of (n+1)X(5+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) =660a(1) =5643a(2) =47501a(3) =377890a(4) =2931878a(5) =21858973a(6) =157282139a(7) =1084189363a(8) =7146773223a(9) =45042182253a(10) =271113821758
External references
- oeis: A235770