0,2
Cf. A032778, A032779.
Sequence in context: A161848 A020380 A145334 this_sequence A032779 A028464 A122052
Adjacent sequences: A032774 A032775 A032776 this_sequence A032778 A032779 A032780
nonn
Patrick De Geest (pdg(AT)worldofnumbers.com), May 15, 1998.
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