2600612

Appears in sequences

• Number of bracelets (turn over necklaces) with n red, 1 pink and n-1 blue beads; also reversible strings with n red and n-1 blue beads; also next-to-central column in Losanitsch's triangle A034851.at n=12A005654
• Central column of Losanitsch's triangle A034851.at n=25A034872
• Number of bracelets (turn over necklaces) with n beads: 1 blue, 12 green, and r = n - 13 red.at n=13A141783