Number of 0..7 arrays of length n with each element differing from at least one neighbor by 2 or more, starting with 0.
A221514
Number of 0..7 arrays of length n with each element differing from at least one neighbor by 2 or more, starting with 0.
Terms
- a(0) =0a(1) =6a(2) =31a(3) =252a(4) =1765a(5) =12872a(6) =92934a(7) =672526a(8) =4864004a(9) =35184566a(10) =254499831a(11) =1840896185a(12) =13315870072a(13) =96318591951a(14) =696707724524
External references
- oeis: A221514