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..27.
See A163825 for another version.
Cf. A007053, A055729.
Sequence in context: A124720 A188947 * A163825 A102866 A148368 A148369
Adjacent sequences: A076955 A076956 A076957 * A076959 A076960 A076961
Amarnath Murthy, Oct 20 2002
More terms from Ralf Stephan, Oct 31 2002
More terms from Vladeta Jovovic, Dec 22 2002
Edited by N. J. A. Sloane, Aug 07 2009