61317domain: NAppears in sequencesNumbers m such that m divides 10^m - 1.at n=23A014950Coefficients in q-expansion of (E_2^2*E_4 - 2*E_2*E_6 + E_4^2)/1728, where E_2, E_4, E_6 are the Eisenstein series shown in A006352, A004009, A013973, respectively.at n=9A282099Number of 3-regular bipartitions of n.at n=28A328547