cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A165580 Primes of the form 4n+3 for which Sum_{i=1..u} J(i,4n+3) is never zero for any u in range [1,(2n+1)], where J(i,m) is the Jacobi symbol.

Original entry on oeis.org

3, 7, 23, 31, 47, 71, 79, 151, 167, 191, 199, 239, 263, 271, 311, 359, 383, 431, 439, 479, 503, 599, 647, 719, 743, 751, 839, 863, 887, 911, 919, 983, 991, 1031, 1039, 1151, 1223, 1231, 1279, 1319, 1399, 1439, 1471, 1487, 1511, 1559, 1583, 1759
Offset: 1

Views

Author

Antti Karttunen, Oct 06 2009

Keywords

Crossrefs

Setwise difference of A095102 and A165977. Also subset of A165469.