55413131domain: NAppears in sequencesNumerators of continued fraction convergents to sqrt(864).at n=13A042668Bisection (even part) of Chebyshev sequence with Diophantine property.at n=7A077409Combined Diophantine Chebyshev sequences A077409 and A077250.at n=14A077411Numbers k such that k^2 = 24*j^2 + 25.at n=22A106330