0,1
First half of the elements of A028811. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 23 2008]
Sequence in context: A067350 A176651 A028727 * A047328 A028811 A034035
Adjacent sequences: A028759 A028760 A028761 * A028763 A028764 A028765
nonn,fini,full
N. J. A. Sloane (njas(AT)research.att.com).