0,3
Equals (b(n+1)-b(n))/2, where b(*) is A007952.
Sequence in context: A003602 A049773 A123021 this_sequence A106466 A130722 A147541
Adjacent sequences: A028911 A028912 A028913 this_sequence A028915 A028916 A028917
nonn
N. J. A. Sloane (njas(AT)research.att.com).
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