8427655domain: NAppears in sequencesNumerators of continued fraction convergents to sqrt(338).at n=11A041638Generalized Pellian with second term equal to 7.at n=17A048694Bisection (odd part) of Chebyshev sequence with Diophantine property.at n=8A077239Combined Diophantine Chebyshev sequences A077240 and A077239.at n=17A077242