30839304871domain: NAppears in sequencesNumerators of continued fraction convergents to sqrt(239).at n=17A041446One-half of the x member of the positive proper fundamental solution (x = x2(n), y = y2(n)) of the second class for the Pell equation x^2 - D(n)*y^2 = +8 for even D(n) = A264354(n).at n=26A264438