1,1

Real quadratic fields where the Euclidean algorithm applies.

H. Cohn, A Second Course in Number Theory, Wiley, NY, 1962, p. 109.

G. H. Hardy and E. M. Wright, An Introduction to the Theory of Numbers. 3rd ed., Oxford Univ. Press, 1954, p. 213.

K. Inkeri, Uber den Euklidischen Algorithmus in quadratischen Zahlk"orpern. Ann. Acad. Sci. Fennicae Ser. A. 1. Math.-Phys., No. 41, 1-35, 1947. [Incorrectly gives 97 as a member of this sequence.]

W. J. LeVeque, Topics in Number Theory. Addison-Wesley, Reading, MA, 2 vols., 1956, Vol. 2, p. 57.

P. Samuel, Unique factorization, Amer. Math. Monthly 75 (1968), 945-952.

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

H. M. Stark, An Introduction to Number Theory. Markham, Chicago, 1970, p. 294.

S. R. Finch, Class number theory

Index entries for sequences related to quadratic fields

Cf. A003246, A048981.

Sequence in context: A073485 A062101 A096530 this_sequence A166070 A053813 A116974

Adjacent sequences: A003171 A003172 A003173 this_sequence A003175 A003176 A003177

fini,nonn,full,nice

N. J. A. Sloane (njas(AT)research.att.com).