0,1
Cf. A061153-A061158.
Sequence in context: A135405 A006784 A168456 * A195862 A205382 A109049
Adjacent sequences: A061153 A061154 A061155 * A061157 A061158 A061159
nonn
Patrick De Geest (pdg(AT)worldofnumbers.com), Apr 15 2001.