Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00001011.
A260283
Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 00000001 or 00001011.
Terms
- a(0) =1428a(1) =6351a(2) =42175a(3) =192277a(4) =984644a(5) =5588466a(6) =28517537a(7) =145143631a(8) =777843590a(9) =4078878260a(10) =21079729187a(11) =110757498595a(12) =581658241064
External references
- oeis: A260283