0,5
See A000045 for the Fibonacci numbers.
Sequence in context: A059923 A055805 A023437 this_sequence A092834 A080106 A158415
Adjacent sequences: A013982 A013983 A013984 this_sequence A013986 A013987 A013988
nonn
N. J. A. Sloane (njas(AT)research.att.com).
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