1,1
Cf. A000364, A081730.
Adjacent sequences: A069039 A069040 A069041 this_sequence A069043 A069044 A069045
Sequence in context: A041031 A041965 A095075 this_sequence A121923 A000956 A031906
nonn
Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 06 2003
More terms from Hans Havermann, Apr 07 2003
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