Number of (n+1) X (1+1) 0..3 arrays with the upper median equal to the lower median in every 2 X 2 subblock.
A235850
Number of (n+1) X (1+1) 0..3 arrays with the upper median equal to the lower median in every 2 X 2 subblock.
Terms
- a(0) =100a(1) =688a(2) =4524a(3) =30624a(4) =203804a(5) =1370656a(6) =9159084a(7) =61448672a(8) =411235964a(9) =2756437664a(10) =18457746444a(11) =123673955168a(12) =828338389340
External references
- oeis: A235850