Number of 3-divided words of length n over a 3-letter alphabet.
A210324
Number of 3-divided words of length n over a 3-letter alphabet.
Terms
- a(0) =0a(1) =0a(2) =1a(3) =16a(4) =78a(5) =324a(6) =1141a(7) =3885a(8) =12630a(9) =40315a(10) =126604a(11) =393986a(12) =1216525a(13) =3737912a(14) =11438230a(15) =34898189a(16) =106217986a(17) =322683051
External references
- oeis: A210324