437425domain: NAppears in sequencesDenominators of continued fraction convergents to sqrt(42).at n=8A041071Denominators of continued fraction convergents to sqrt(168).at n=8A041311Solutions of the Pell-like equation 1 + 6*A*A = 7*B*B, with A, B integers.at n=4A153111a(n) = n^4 + 3*n^3 - 3*n.at n=24A192398