Number of 0..7 arrays of length n with each element differing from at least one neighbor by 1 or less.
A221595
Number of 0..7 arrays of length n with each element differing from at least one neighbor by 1 or less.
Terms
- a(0) =0a(1) =22a(2) =62a(3) =484a(4) =2226a(5) =13056a(6) =67936a(7) =374342a(8) =2006006a(9) =10894988a(10) =58789204a(11) =318224626a(12) =1719926984a(13) =9302621856a(14) =50297494954a(15) =271995651900
External references
- oeis: A221595