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A053372 Write fundamental unit for real quadratic field of discriminant n as x + y*omega; sequence gives values of x for n == 3 mod 4. 0
2, 8, 10, 4, 170, 24, 1520, 6, 25, 3482, 48, 50, 89, 530, 48842, 3480, 80, 82, 28, 1574, 39, 227528, 962, 295, 1126, 120, 122, 4730624, 10610, 77563250, 12, 1728148040, 249, 1324, 64080026, 168, 4190210, 487, 1682, 8994000, 14 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

Entries are indexed by values of n from A039957.

REFERENCES

R. A. Mollin, Quadratics, CRC Press, 1996, Tables B1-B3.

LINKS

Table of n, a(n) for n=0..40.

S. R. Finch, Class number theory

MATHEMATICA

NumberFieldFundamentalUnits[ Sqrt[#] ][[1, 2, 1]] & /@ Select[Range[3, 195, 4], SquareFreeQ ] (* Jean-Fran├žois Alcover, Jul 09 2013 *)

CROSSREFS

Cf. A053370-A053375.

Sequence in context: A109351 A111134 A036898 * A088155 A005876 A139370

Adjacent sequences:  A053369 A053370 A053371 * A053373 A053374 A053375

KEYWORD

nonn,easy,nice

AUTHOR

N. J. A. Sloane, Jan 06 2000

STATUS

approved

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Last modified January 20 14:13 EST 2019. Contains 319333 sequences. (Running on oeis4.)