30843domain: NAppears in sequencesNumbers n such that pi(n) = prime(d_1)*prime(d_2)* ... *prime(d_k), where d_1, d_2, ... d_k is the decimal expansion of n, and the zeroth prime is 1.at n=5A1600401A coefficients in an expansion of the elliptic genus of the K3 surface.at n=7A169717Number of graded lattices on n nodes.at n=12A278691