27630793

Properties

Appears in sequences

• Variant of Sylvester's sequence: a(n+1) = a(n)^2 - a(n) + 1, with a(1) = 9.at n=3A144782
• Prime numbers of the form k*(k+1) + (k*(k+1))^2 + 1.at n=19A255314
• Prime numbersat n=1719918