0,3
Cf. A042172.
Sequence in context: A007677 A113874 A042773 this_sequence A046461 A084590 A041135
Adjacent sequences: A042170 A042171 A042172 this_sequence A042174 A042175 A042176
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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