The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A133011 Characteristic function of the Riemann zeta function: If n is a nearest integer to imaginary part of zero, then a(n)=0 else a(n)=1. 0
 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 1, 1, 1, 0, 0, 1 (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)=0 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: A014230 A014451 A106667 * A296079 A340363 A340372 Adjacent sequences:  A133008 A133009 A133010 * A133012 A133013 A133014 KEYWORD easy,nonn,tabl AUTHOR Omar E. Pol, Sep 13 2007 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified June 18 13:35 EDT 2021. Contains 345112 sequences. (Running on oeis4.)