Words of length n over the alphabet {0,...,n-1} that avoid the pattern 1213.
A239373
Words of length n over the alphabet {0,...,n-1} that avoid the pattern 1213.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =27a(4) =252a(5) =2935a(6) =40330a(7) =632408
External references
- oeis: A239373