OFFSET
0,2
COMMENTS
Entries are indexed by values of n from A039956.
REFERENCES
R. A. Mollin, Quadratics, CRC Press, 1996, Tables B1-B3.
LINKS
S. R. Finch, Class number theory
Steven R. Finch, Class number theory [Cached copy, with permission of the author]
MATHEMATICA
sf = Select[2*Range[0, 139], SquareFreeQ]; NumberFieldFundamentalUnits[Sqrt[#]][[1, 2, 2]]& /@ sf (* Jean-François Alcover, May 31 2013 *)
CROSSREFS
KEYWORD
nonn,easy,nice
AUTHOR
N. J. A. Sloane, Jan 06 2000
STATUS
approved