5242734domain: NAppears in sequencesComposite Beatty sequence of sqrt(2).at n=19A182691a(n) = 5*a(n-1) - 4*a(n-3) for n >= 4, where a(1) = 1, a(2) = 4, a(3) = 18.at n=10A341248Fourier coefficients of the modular form (1/t_{6a}) * (1-12*sqrt(-3)/t_{6a})^(7/6) * F_{6a}^10.at n=14A341565