0,2
Cf. A041718.
Sequence in context: A001007 A152015 A162256 this_sequence A133777 A025213 A116693
Adjacent sequences: A041716 A041717 A041718 this_sequence A041720 A041721 A041722
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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