1,2
Cf. A068239-A068305, A000332, A002417, A027441.
Adjacent sequences: A068257 A068258 A068259 this_sequence A068261 A068262 A068263
Sequence in context: A015277 A135418 A034818 this_sequence A023294 A067235 A113171
nonn
Ron Hardin (rhh(AT)cadence.com), Feb 24 2002
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