1,2
Cf. A027568.
Sequence in context: A019988 A137732 A057973 * A176332 A191241 A052708
Adjacent sequences: A102458 A102459 A102460 * A102462 A102463 A102464
nonn,fini,full
N. J. A. Sloane (njas(AT)research.att.com), Sep 06 2008