Number of (n+1)X(4+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0001 0011 0101 or 1111.
A259520
Number of (n+1)X(4+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0001 0011 0101 or 1111.
Terms
- a(0) =380a(1) =6100a(2) =93028a(3) =1447270a(4) =22453286a(5) =348802846a(6) =5417785744a(7) =84159480298
External references
- oeis: A259520