Number of (n+1)X(2+1) 0..2 arrays with the upper median equal to the lower median in every 2X2 subblock.
A235975
Number of (n+1)X(2+1) 0..2 arrays with the upper median equal to the lower median in every 2X2 subblock.
Terms
- a(0) =181a(1) =1473a(2) =11239a(3) =89555a(4) =703565a(5) =5579529a(6) =44112111a(7) =349456139a(8) =2766556005a(9) =21911565169a(10) =173518250295
External references
- oeis: A235975