Number of (n+1)X(n+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0001 0011 0101 or 1111.
A259516
Number of (n+1)X(n+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0001 0011 0101 or 1111.
Terms
- a(0) =12a(1) =208a(2) =10148a(3) =1447270a(4) =589476522a(5) =690701197282
External references
- oeis: A259516