Number of (n+1)X(4+1) 0..1 arrays with no 2X2 subblock having x11-x00 less than x10-x01.
A251264
Number of (n+1)X(4+1) 0..1 arrays with no 2X2 subblock having x11-x00 less than x10-x01.
Terms
- a(0) =120a(1) =772a(2) =4930a(3) =32636a(4) =217634a(5) =1457326a(6) =9772880a(7) =65582500a(8) =440223510a(9) =2955392154a(10) =19841767762a(11) =133216123406a(12) =894412534702
External references
- oeis: A251264