The On-Line Encyclopedia of Integer Sequences (OEIS)

Revision History for A165469

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Numbers 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.
(history; published version)

#2 by Russ Cox at Sat Mar 31 13:21:19 EDT 2012

AUTHOR

_Antti Karttunen (His-Firstname.His-Surname(AT)gmail.com), _, Oct 06 2009

Discussion

Sat Mar 31

13:21

OEIS Server: https://oeis.org/edit/global/881

#1 by N. J. A. Sloane at Tue Jun 01 03:00:00 EDT 2010

NAME

Numbers 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.

DATA

3, 7, 15, 23, 31, 39, 47, 55, 71, 79, 87, 95, 111, 119, 143, 151, 159, 167, 183, 191, 199, 215, 231, 239, 255, 263, 271, 287, 303, 311, 327, 335, 359, 383, 391, 399, 407, 431, 439, 447, 455, 471, 479, 503, 511, 519, 527, 535, 551, 559, 591, 599, 615, 623

OFFSET

1,1

CROSSREFS

a(n) = A004767(A165468(n)). Setwise difference of A095100 and A165608. A165580 gives the primes in this sequence.

KEYWORD

nonn

AUTHOR

Antti Karttunen (His-Firstname.His-Surname(AT)gmail.com), Oct 06 2009

STATUS

approved