0,2
Cf. A032777, A032778.
Sequence in context: A020380 A145334 A032777 this_sequence A028464 A122052 A157444
Adjacent sequences: A032776 A032777 A032778 this_sequence A032780 A032781 A032782
nonn
Patrick De Geest (pdg(AT)worldofnumbers.com), May 15, 1998.
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