2247472

Appears in sequences

• Number of bifix-free (or primary, or unbordered) words of length n over a two-letter alphabet.at n=23A003000
• Number of length-5 0..n arrays with no following elements larger than the first repeated value.at n=17A267473
• Number of length-n binary words having no nontrivial prefix that is a palindrome of odd length.at n=22A308528