745778864domain: NAppears in sequencesNumerators of continued fraction convergents to sqrt(288).at n=10A041542a(n) = Pell(n)*A002652(n) for n>=1, with a(0)=1, where A002652 lists the coefficients in theta series of Kleinian lattice Z[(-1+sqrt(-7))/2].at n=22A209455