Number of n-length words over an 8-ary alphabet {a_1,a_2,...,a_8} avoiding consecutive letters a_i, a_{i+1}.
A277671
Number of n-length words over an 8-ary alphabet {a_1,a_2,...,a_8} avoiding consecutive letters a_i, a_{i+1}.
Terms
- a(0) =1a(1) =8a(2) =57a(3) =406a(4) =2892a(5) =20600a(6) =146736a(7) =1045216a(8) =7445184a(9) =53032832a(10) =377758463a(11) =2690813426a(12) =19166948203a(13) =136528196220a(14) =972504760052
External references
- oeis: A277671