129499

Properties

Appears in sequences

• a(n) is the square of the n-th partial sum minus the n-th partial sum of the squares, divided by a(n-1), for all n>=1, starting with a(0)=1, a(1)=5.at n=15A087958
• Primes of the form 11*k^2-11*k+7.at n=45A267290
• Prime numbersat n=12120