A097537 -Sum_{k=1..2*q-1} J(k,q)*J(-4,k)*k/4 as q runs through primes == 3 (mod 4), where J(i,j) is the Jacobi symbol.

1, 4, 7, 19, 20, 40, 63, 56, 85, 123, 116, 168, 129, 228, 197, 320, 279, 381, 444, 467, 364, 471, 520, 660, 737, 720, 575, 712, 753, 764, 1032, 1021, 1145, 1036, 1461, 1155, 1308, 1528, 1781, 1288, 1619, 1704, 2132, 1707, 2248, 1765, 1920, 2404, 2119, 2705, 1924

Offset

1,2

References

H. Petersson, Modulfunktionen und Quadratische Formen, Springer-Verlag, 1982; p. 103.

Links

Table of n, a(n) for n=1..51.

Crossrefs

Cf. A097536.

Sequence in context: A267488 A230601 A132207 * A032723 A231374 A173017

Adjacent sequences: A097534 A097535 A097536 * A097538 A097539 A097540

Keyword

nonn

Author

N. J. A. Sloane, Aug 27 2004

Status

approved