1,2
Cf. A050647, A048563, A050640.
Sequence in context: A013795 A013860 A052072 this_sequence A044882 A158743 A035862
Adjacent sequences: A050643 A050644 A050645 this_sequence A050647 A050648 A050649
nonn,base,more
Patrick De Geest (pdg(AT)worldofnumbers.com), Jul 15 1999.
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