2,1

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

H. Hasse, Number Theory, Springer-Verlag, NY, 1980, p. 617.

A. M. Odlyzko, Bounds for discriminants and related estimates for class numbers, regulators and zeros of zeta functions: A survey of recent results, Sem. Theorie des Nombres, Bordeaux, 2 (1990), pp. 119-141.

Index entries for sequences related to quadratic fields

Sequence in context: A118790 A159017 A004700 this_sequence A060090 A052842 A088692

Adjacent sequences: A006552 A006553 A006554 this_sequence A006556 A006557 A006558

nonn

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