The OEIS is supported by the many generous donors to the OEIS Foundation.

 Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”). Other ways to Give
 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A178154 A178153 for primes p=3 (mod 4). 5
 1, 1, 3, 3, 3, 3, 3, 5, 9, 3, 7, 5, 9, 5, 9, 5, 15, 9, 7, 3, 11, 15, 13, 9, 9, 7, 15, 15, 21, 13, 11, 9, 9, 19, 9, 15, 19, 9, 9, 17, 27, 21, 15, 15, 7, 21, 25, 7, 27, 9, 21, 15, 9, 27, 15, 21, 25, 13, 15, 13, 9, 23, 33, 15, 15, 31, 13, 15, 21, 15, 15, 21, 9, 21, 33, 21, 21, 9, 29, 9, 31, 19 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 LINKS MATHEMATICA Table[Length[Select[Range[(p-1)/2], JacobiSymbol[ #, p]==1&]] - Length[Select[Range[(p+1)/2, p-1], JacobiSymbol[ #, p]==1&]], {p, Select[Prime[Range[200]], Mod[ #, 4]==3&]}] CROSSREFS Sequence in context: A113215 A105591 A130497 * A270774 A263144 A126715 Adjacent sequences: A178151 A178152 A178153 * A178155 A178156 A178157 KEYWORD nonn AUTHOR T. D. Noe, May 21 2010 STATUS approved

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

Last modified December 5 02:30 EST 2022. Contains 358572 sequences. (Running on oeis4.)