1687054711

Appears in sequences

• Somos-4 sequence: a(0)=a(1)=a(2)=a(3)=1; for n >= 4, a(n) = (a(n-1) * a(n-3) + a(n-2)^2) / a(n-4).at n=16A006720
• Elliptic divisibility sequence associated with elliptic curve "37a1": y^2 + y = x^3 - x and multiples of the point (0,0).at n=29A006769
• Primes in Somos-4 sequence (A006720).at n=7A129739
• List of primitive prime divisors of the Somos-4 sequence (A006720) in their order of occurrence.at n=15A129741
• A (25,-29) Somos-4 sequence.at n=7A352625