1,1
Cf. A006154.
Sequence in context: A009745 A009751 A032116 this_sequence A058864 A136226 A046165
Adjacent sequences: A088178 A088179 A088180 this_sequence A088182 A088183 A088184
nonn
Karol A. Penson (penson(AT)lptl.jussieu.fr), Sep 22 2003
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