A094844 Class numbers associated with the entries of A094843. (Formerly N2220)

1, 1, 1, 1, 22, 79, 107, 311, 432, 487, 665, 692, 1044, 1536, 13909, 15204, 29351, 44332, 70877, 149460, 223574, 296475, 553436, 3791896, 5798780, 8035685, 19412108, 33684408, 77949544, 119705436, 156104956

Offset

1,5

References

N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).

Links

Table of n, a(n) for n=1..31.

Michael John Jacobson, Computational techniques in quadratic fields, Doctor of Science in Computer Science Thesis, University of Manitoba, 1995, 147 pages.

Michael John Jacobson Jr. and Hugh C. Williams, New quadratic polynomials with high densities of prime values, Math. Comp. 72 (2003), 499-519

D. H. Lehmer, E. Lehmer and D. Shanks, Integer sequences having prescribed quadratic character, Math. Comp., 24 (1970), 433-451.

Crossrefs

Cf. A094843.

Sequence in context: A003908 A075252 A253304 * A323251 A010010 A237618

Adjacent sequences: A094841 A094842 A094843 * A094845 A094846 A094847

Keyword

nonn

Author

N. J. A. Sloane, Jun 13 2004

Status

approved