1,1

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

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. A003174.

Sequence in context: A133315 A003658 A003656 this_sequence A143748 A124378 A066299

Adjacent sequences: A003243 A003244 A003245 this_sequence A003247 A003248 A003249

fini,full,nonn,nice

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