1,1
Equals A064530 + 1. Cf. A064531, A064532.
Sequence in context: A173272 A047789 A068869 * A091654 A127246 A106038
Adjacent sequences: A064526 A064527 A064528 * A064530 A064531 A064532
nonn,fini,full
N. J. A. Sloane (njas(AT)research.att.com), Oct 07 2001