0,2
Cf. A000522, A008290.
Sequence in context: A073826 A159397 A024074 this_sequence A072021 A079812 A137694
Adjacent sequences: A086893 A086894 A086895 this_sequence A086897 A086898 A086899
nonn
Vladeta Jovovic (vladeta(AT)eunet.rs), Aug 22 2003
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