A166059 Integers of the form 4n+3 for which Sum_{i=1..u} J(i,4n+3) obtains value zero exactly 9 times, when u ranges from 1 to (4n+3). Here J(i,k) is the Jacobi symbol.

91, 175, 575, 631, 731, 1175, 1591, 2175, 2575, 3059, 3199, 3295, 3575, 4175, 4575, 4695, 5939, 5959, 6143, 6575, 7175, 7259, 7383, 7575, 7615, 8175, 9175, 9199, 9491, 9575, 10135, 10175, 10407, 10551, 10607, 10811, 10955, 11175, 12575

Offset

1,1

Comments

Fifth row of A166092.

Links

Table of n, a(n) for n=1..39.

Crossrefs

a(n) = A004767(A166058(n)).

Sequence in context: A159961 A113530 A119148 * A226683 A370053 A037998

Adjacent sequences: A166056 A166057 A166058 * A166060 A166061 A166062

Keyword

nonn

Author

Antti Karttunen, Oct 08 2009

Status

approved