326471

Appears in sequences

• Denominators of continued fraction convergents to sqrt(487).at n=13A041929
• Frobenius number of the numerical semigroup generated by consecutive octahedral numbers.at n=7A069764
• Positive fundamental solution y(n) of the generalized Pell equation X^2 - D(n) Y(n) = 2 with D(n) = A261246(n).at n=50A261248
• y-value of the smallest solution to x^2 - p*y^2 = 2*(-1)^((p+1)/4), p = A002145(n).at n=47A306566