Half the number of (n+1) X 6 binary arrays with no 2 X 2 subblock having exactly 2 ones.
A183778
Half the number of (n+1) X 6 binary arrays with no 2 X 2 subblock having exactly 2 ones.
Terms
- a(0) =32a(1) =217a(2) =1969a(3) =15887a(4) =136843a(5) =1146964a(6) =9764363a(7) =82573675a(8) =701022093a(9) =5941108591a(10) =50402814448a(11) =427394109663
External references
- oeis: A183778