601492

Appears in sequences

• Word structures of length n using a 6-ary alphabet.at n=11A056273
• Number of palindromic structures using a maximum of six different symbols.at n=20A056471
• Number of palindromic structures using a maximum of six different symbols.at n=21A056471
• Number of periodic palindromic structures using a maximum of six different symbols.at n=21A056507
• Numbers whose first occurrence in Stern's diatomic series (A002487) is later than that of one of their proper multiples.at n=21A358925