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.

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

1,1

Links

Table of n, a(n) for n=1..48.

Crossrefs

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

Sequence in context: A087309 A127781 A271918 * A187222 A122094 A260350

Adjacent sequences: A165577 A165578 A165579 * A165581 A165582 A165583

Keyword

nonn

Author

Antti Karttunen, Oct 06 2009

Status

approved