0,3
Sequence in context: A004054 A068995 A109196 this_sequence A034576 A125672 A107683
Adjacent sequences: A032634 A032635 A032636 this_sequence A032638 A032639 A032640
nonn,easy
Patrick De Geest (pdg(AT)worldofnumbers.com), May 15, 1998.
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