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..40.
a(n) = A152528(n+1)/2.
Cf. A065091, A111071, A152527, A152528, A152530, A152531, A152532.
Sequence in context: A105411 A107158 A188620 * A126782 A090648 A031024
Adjacent sequences: A152526 A152527 A152528 * A152530 A152531 A152532
Omar E. Pol, Dec 06 2008