620297

Properties

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=13A006720
• Primes in Somos-4 sequence (A006720).at n=6A129739
• List of primitive prime divisors of the Somos-4 sequence (A006720) in their order of occurrence.at n=10A129741
• A (25,-29) Somos-4 sequence.at n=5A188313
• Primes of the form 9n^3+8.at n=7A201302
• Triangle read by rows: T(n,k) is the numerator of the n-th term of the Somos-k sequence, 4 <= k <= n.at n=45A354486
• Prime numbersat n=50632