393775domain: NAppears in sequencesBase-5 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,0.at n=8A033141Coefficients in q-expansion of (E_2*E_4 - E_6)/720, where E_2, E_4, E_6 are the Eisenstein series shown in A006352, A004009, A013973, respectively.at n=25A281372