Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 or 00000001.
A259641
Number of (n+2)X(7+2) 0..1 arrays with each 3X3 subblock having clockwise perimeter pattern 00000000 or 00000001.
Terms
- a(0) =940a(1) =4499a(2) =30957a(3) =133078a(4) =670088a(5) =3919925a(6) =19848497a(7) =100074919a(8) =540718241a(9) =2836175763a(10) =14601337621a(11) =76851462133a(12) =403972462723
External references
- oeis: A259641