0,3
Cf. A023001, A000364.
Sequence in context: A016111 A069225 A075474 this_sequence A078988 A027535 A110900
Adjacent sequences: A133850 A133851 A133852 this_sequence A133854 A133855 A133856
nonn
Paul Curtz (bpcrtz(AT)free.fr), Jan 07 2008
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