375165domain: NAppears in sequencesExponents in expansion of constant A065463 as Product_{n>1} zeta(n)^(-a(n)).at n=33A065490Odd primitive abundant numbers n such that n = x^2 + x + y^2 with y^2 < 2*x; a subsequence of A006038.at n=16A1364765th column of A145142.at n=5A145147