0,2
Cf. A042328.
Sequence in context: A156201 A066771 A139159 this_sequence A125956 A128071 A079622
Adjacent sequences: A042326 A042327 A042328 this_sequence A042330 A042331 A042332
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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