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A166055 Integers of the form 4n+3 for which Sum_{i=1..u} J(i,4n+3) obtains value zero exactly 5 times, when u ranges from 1 to (4n+3). Here J(i,k) is the Jacobi symbol. 2
19, 35, 59, 63, 103, 131, 251, 279, 299, 371, 395, 419, 495, 711, 755, 899, 927, 943, 971, 1091, 1139, 1143, 1207, 1359, 1595, 1739, 1743, 1791, 1811, 1931, 1979, 2007, 2219, 2411, 2423, 2435, 2439, 2651, 2655, 2703, 2771, 2847, 2871, 2915, 2939 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Third row of A166092.

LINKS

Table of n, a(n) for n=1..45.

CROSSREFS

a(n) = A004767(A166054(n)).

Sequence in context: A242847 A044064 A044445 * A333414 A146579 A146454

Adjacent sequences:  A166052 A166053 A166054 * A166056 A166057 A166058

KEYWORD

nonn

AUTHOR

Antti Karttunen, Oct 08 2009

STATUS

approved

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Last modified May 20 10:21 EDT 2022. Contains 353871 sequences. (Running on oeis4.)