4750223943domain: NAppears in sequencesNumbers j such that 8*(j^2) + 9 = k^2 for some positive number k.at n=13A106328Numbers m such that m^2=A125650(k) for some k (belonging A125651).at n=13A125652a(n) = sqrt(A299921(n)).at n=39A301318a(0)=3, a(1)=105, a(2)=3567; a(n) = 35*(a(n-1)-a(n-2))+a(n-3).at n=6A350986