Number of (n+1)X(3+1) 0..1 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise.
A235957
Number of (n+1)X(3+1) 0..1 arrays with the difference of the upper and lower median value of each 2X2 subblock in lexicographically nondecreasing order columnwise and nonincreasing rowwise.
Terms
- a(0) =144a(1) =928a(2) =5196a(3) =27296a(4) =137988a(5) =681546a(6) =3311312a(7) =15908352a(8) =75789960a(9) =358924192a(10) =1692140136a(11) =7951451162a(12) =37271897084a(13) =174391909248a(14) =814845026092
External references
- oeis: A235957