1,6
Mark D. Niemiec, Life Object Counts
Cf. A019473.
Sequence in context: A110700 A181875 A051908 * A092510 A126309 A048838
Adjacent sequences: A056611 A056612 A056613 * A056615 A056616 A056617
nonn
N. J. A. Sloane (njas(AT)research.att.com), Aug 28 2000