Number of (n+1) X (1+1) 0..2 arrays with the difference of the upper and lower median value of each 2 X 2 subblock in lexicographically nondecreasing order rowwise and columnwise.
A235560
Number of (n+1) X (1+1) 0..2 arrays with the difference of the upper and lower median value of each 2 X 2 subblock in lexicographically nondecreasing order rowwise and columnwise.
Terms
- a(0) =81a(1) =537a(2) =3199a(3) =17837a(4) =95679a(5) =498597a(6) =2546207a(7) =12796069a(8) =63520287a(9) =312150917a(10) =1521435839a(11) =7364501157a(12) =35440920159a(13) =169704498117a(14) =809104150911
External references
- oeis: A235560