400729

Appears in sequences

• Denominators of continued fraction convergents to sqrt(239).at n=11A041447
• Denominators of continued fraction convergents to sqrt(956).at n=15A042851
• Let p = n-th prime of the form 4k+3, take the solution (x,y) to the Pellian equation x^2 - p*y^2 = 1 with x and smallest y >= 1; sequence gives value of y.at n=27A082394