Number of (n+1)X(4+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0001 0101 0111.
A259511
Number of (n+1)X(4+1) 0..1 arrays with each 2X2 subblock having clockwise pattern 0000 0001 0101 0111.
Terms
- a(0) =245a(1) =2219a(2) =20293a(3) =189211a(4) =1769635a(5) =16602297a(6) =155863519a(7) =1464104971a(8) =13754727159a(9) =129236342101
External references
- oeis: A259511