Number of words with n letters from an alphabet of size 26 with at least two equal consecutive letters.
A106710
Number of words with n letters from an alphabet of size 26 with at least two equal consecutive letters.
Terms
- a(0) =0a(1) =26a(2) =1326a(3) =50726a(4) =1725126a(5) =55009526a(6) =1684153926a(7) =50135658326
External references
- oeis: A106710