1,2
An inverse to A005670.
Cf. A005670, A089047.
Sequence in context: A016085 A018122 A074732 this_sequence A054911 A137267 A123576
Adjacent sequences: A089043 A089044 A089045 this_sequence A089047 A089048 A089049
nonn
R. K. Guy (rkg(AT)cpsc.ucalgary.ca), Dec 03 2003
More terms from Ed Pegg Jr (ed(AT)mathpuzzle.com), Dec 03 2003
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