0,3
a(n) = -A123868(n) for n>0.
Sequence in context: A011562 A038999 A022528 this_sequence A123868 A022194 A069387
Adjacent sequences: A024007 A024008 A024009 this_sequence A024011 A024012 A024013
sign
N. J. A. Sloane (njas(AT)research.att.com).
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