A094851 Class numbers associated with entries of A001992.

1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 5, 5, 3, 1, 1, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 5, 1, 1, 1, 1, 9, 1, 1, 3, 3, 3, 3

Offset

1,10

Links

Table of n, a(n) for n=1..55.

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. A001992.

Sequence in context: A021647 A181668 A247824 * A173602 A054245 A302552

Adjacent sequences: A094848 A094849 A094850 * A094852 A094853 A094854

Keyword

nonn,more

Author

N. J. A. Sloane, Jun 14 2004

Status

approved