796068

Appears in sequences

• Number of reversible strings with n beads of 3 colors. If more than 1 bead, not palindromic.at n=12A032086
• Numbers n such that 9^10 + n^2 is a square.at n=3A180973
• Expansion of a(q) / b(q) in powers of q where a(), b() are cubic AGM theta functions.at n=18A215690