A218157 Fundamental discriminants of real quadratic number fields with class number 7.

577, 1009, 1601, 1761, 2029, 2913, 4229, 4348, 5176, 5273, 5417, 7736, 8097, 8661, 8773, 9004, 9029, 9049, 9101, 9208, 9289, 9868, 10117, 10313, 10357, 10713, 10957, 11021, 11053, 11269, 11537, 11621, 12497, 12977, 13049, 13313, 13701, 14201, 15277, 15809

Offset

1,1

Links

Table of n, a(n) for n=1..40.

Eric Weisstein's World of Mathematics, Class Number

Index entries for sequences related to quadratic fields

Mathematica

Select[Range[15809], NumberFieldDiscriminant@Sqrt[#] == # && NumberFieldClassNumber@Sqrt[#] == 7 &]

Crossrefs

Cf. A003656, A094619, A094612-A094614, A218156, A218158-A218160.

Sequence in context: A234105 A234499 A218039 * A158370 A244095 A261889

Adjacent sequences: A218154 A218155 A218156 * A218158 A218159 A218160

Keyword

nonn

Author

_Arkadiusz Wesolowski_, Oct 22 2012

Status

approved