Invitation: celebrating 50 years of OEIS, 250000 sequences, and Sloane's 75th, there will be a conference at DIMACS, Rutgers, Oct 9-10 2014.
Table of n, a(n) for n=1..30.
Sequence in context: A236152 A233643 A166195 * A119887 A188256 A124729
Adjacent sequences: A031858 A031859 A031860 * A031862 A031863 A031864
David W. Wilson