157086domain: NAppears in sequencesa(n) is the smallest positive integer of length (distance from origin) n in the Cayley graph of the integers generated by all powers of 13.at n=29A297182Fourier coefficients of the modular form (1-6*sqrt(-3)/t_{6a}) * (1/t_{6a}) * (1-12*sqrt(-3)/t_{6a})^(1/3) * F_{6a}^8.at n=14A341564