1,1

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

Modular Functions of One Variable IV (Antwerp, 1972), Lect. Notes Math. 476 (1975), see p. 82.

J. E. Cremona, Elliptic Curve Data

Cf. A060564.

Sequence in context: A100332 A083124 A132991 this_sequence A091403 A061743 A038630

Adjacent sequences: A005785 A005786 A005787 this_sequence A005789 A005790 A005791

nonn

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