Invitation: celebrating 50 years of OEIS, 250000 sequences, and Sloane's 75th, there will be a conference at DIMACS, Rutgers, Oct 9-10 2014.
0,3
With offset 1: Index j of prime p(j) such that ceiling[p(j)/j]=n is first satisfied for n >= 2. a(n) = A038606(n) = A062742(n) = A038624(n) for n >= 3. [From Jaroslav Krizek, Dec 13 2009]
Table of n, a(n) for n=0..15.
Sequence in context: A094125 A015625 A038357 * A038606 A192303 A066280
Adjacent sequences: A090971 A090972 A090973 * A090975 A090976 A090977
dead
approved