Number of (n+2) X (5+2) 0..1 arrays with each 3 X 3 subblock having clockwise perimeter pattern 00000000 00000001 or 00010001.
A260204
Number of (n+2) X (5+2) 0..1 arrays with each 3 X 3 subblock having clockwise perimeter pattern 00000000 00000001 or 00010001.
Terms
- a(0) =478a(1) =1163a(2) =5291a(3) =20408a(4) =85168a(5) =359112a(6) =1473681a(7) =6100163a(8) =25364416a(9) =104948864a(10) =434706199a(11) =1802333006a(12) =7466572837a(13) =30934888195a(14) =128194824496a(15) =531166886817
External references
- oeis: A260204