53750679943domain: NAppears in sequencesNumerators of continued fraction convergents to sqrt(294).at n=15A041552Bisection (even part) of Chebyshev sequence with Diophantine property.at n=10A077409Combined Diophantine Chebyshev sequences A077409 and A077250.at n=20A077411Numbers k such that k^2 = 24*j^2 + 25.at n=31A106330