1,1
Cf. A050650, A048568, A050645.
Adjacent sequences: A050648 A050649 A050650 this_sequence A050652 A050653 A050654
Sequence in context: A139908 A128070 A101780 this_sequence A103037 A075528 A101485
nonn,base
Patrick De Geest (pdg(AT)worldofnumbers.com), Jul 15 1999.
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