Words of length n over the alphabet {0,...,n-1} that avoid the pattern 2413.

A239380

Words of length n over the alphabet {0,...,n-1} that avoid the pattern 2413.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =27a(4) =255a(5) =3028a(6) =41966a(7) =646404

External references