0,2
Cf. A041720.
Sequence in context: A000329 A091978 A087287 this_sequence A048358 A124456 A157062
Adjacent sequences: A041718 A041719 A041720 this_sequence A041722 A041723 A041724
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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