New posts in Combinatorics On Words

Four-letter word contains no two consecutive equal letters.

Counting binary strings of length $n$ that contain no two adjacent blocks of 1s of the same length?

Number of permutations of $D,D,D,O,O,O,G,G,G$ such that no two $D$ are adjacent and no two $G$ are adjacent

How many distinct permutations of the string "NADAMADRID" have the word DAM appearing in them?

Generalized repetitions of letters with limited amount of adjacent letters

Does the fraction of distinct substrings in prefixes of the Thue–Morse sequence of length $2^n$ tend to $73/96$?

Does there exist infinite words using the alphabet $\{A,B,C,D\}$ that avoids patterns $XX,\ XAX,\ XBX,\ XCX,\ XDX$?

What is the subword complexity function of this infinite word?

How many strings contain every letter of the alphabet?

A cubefree-preserving morphism from 5 to 2?