572704120127domain: NAppears in sequencesNumbers m such that 10*m^2 + 6 is a square.at n=15A221874a(n) = 6*a(n-2) + a(n-4), where a(0) = 3, a(1) = 5, a(2) = 19, a(3) = 31.at n=29A228471