Words of length n over the alphabet {0,...,n-1} that avoid the pattern 1123.
A239371
Words of length n over the alphabet {0,...,n-1} that avoid the pattern 1123.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =27a(4) =252a(5) =2935a(6) =40351a(7) =633864a(8) =11139840a(9) =215800335a(10) =4557031407a(11) =103989209082
External references
- oeis: A239371