0,2
Cf. A041966.
Sequence in context: A139881 A161676 A023302 this_sequence A024239 A076532 A157064
Adjacent sequences: A041964 A041965 A041966 this_sequence A041968 A041969 A041970
nonn,cofr,easy
N. J. A. Sloane (njas(AT)research.att.com).
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