0,2
Cf. A007689, A001047.
Sequence in context: A100011 A172892 A134796 * A156938 A079195 A120123
Adjacent sequences: A120827 A120828 A120829 * A120831 A120832 A120833
nonn
Mohammad K. Azarian (azarian(AT)evansville.edu), Aug 18 2006
Corrected by Ray Chandler (rayjchandler(AT)sbcglobal.net), Sep 06 2006