This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A060340 #5 Feb 23 2019 07:00:23 %S A060340 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,18,20,24 %N A060340 Possible sizes of the torsion group of an elliptic curve over some quadratic extension of the rationals Q. This is the full sequence. %D A060340 Kamienny, S. Torsion points on elliptic curves and q-coefficients of modular forms. Invent. Math. 109, No. 2, 221-229 (1992). %D A060340 Kenku, M.A.; Momose, F. Torsion points on elliptic curves defined over quadratic fields. Nagoya Math. J. 109, 125-149 (1988). %Y A060340 Cf. A059765. %K A060340 fini,full,nonn %O A060340 0,2 %A A060340 Noam Katz (noamkj(AT)hotmail.com), Mar 30 2001