165471

Appears in sequences

• A255446(2^n-1).at n=9A255447
• a(1) = a(2) = 1; a(n) = gcd(a(n-1), a(n-2)) + (a(n-1) + a(n-2))/gcd(a(n-1), a(n-2)).at n=43A355898