254731

Properties

Appears in sequences

• a(1)=2; thereafter a(n) is the smallest prime > a(n-1) that is not a factor of any 1+A, where A is a product of one or more distinct earlier terms.at n=21A260388
• Value of prime number D for incrementally largest values of minimal x satisfying the equation x^2 - D*y^2 = 6.at n=43A341087
• Number of positive solutions to (x_1)^2 + (x_2)^2 + (x_3)^2 + (x_4)^2 <= n^2.at n=29A341423
• Prime numbersat n=22411