0,3
Cf. A042160.
Sequence in context: A013171 A073422 A006525 this_sequence A101151 A138788 A030244
Adjacent sequences: A042158 A042159 A042160 this_sequence A042162 A042163 A042164
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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