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 A133010 Characteristic function of the Riemann zeta function: If n is a nearest integer to imaginary part of zero, then a(n)=1 else a(n)=0. 0
 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Also an interesting triangle read by row: See tabl. LINKS EXAMPLE a(30)=1 because 30 is the nearest integer to imaginary part of 4th nontrivial zero of Riemann zeta function. CROSSREFS See A002410 for more information. Cf. A058303, A065434, A065452, A065453. Sequence in context: A101637 A011729 A011728 * A162782 A011727 A088918 Adjacent sequences:  A133007 A133008 A133009 * A133011 A133012 A133013 KEYWORD easy,nonn,tabl AUTHOR Omar E. Pol, Sep 13 2007 STATUS approved

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