Number of (n+1) X (2+1) 0..1 arrays with the difference between each 2 X 2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise.
A235673
Number of (n+1) X (2+1) 0..1 arrays with the difference between each 2 X 2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise.
Terms
- a(0) =58a(1) =380a(2) =2456a(3) =15790a(4) =101398a(5) =650928a(6) =4178316a(7) =26820102a(8) =172154058a(9) =1105028596a(10) =7092994476a(11) =45528746034a(12) =292241404878
External references
- oeis: A235673