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 A094848 #6 Feb 19 2019 03:57:37 %S A094848 1,1,1,1,1,1,1,1,4,5,5,5,3,2,2,2,3,2,6,2,2,9,9,9,3,3,1,1,1,7,2,1,1,2, %T A094848 2,2,2,1,1,4,4,4,4,2,1,1,4,4,4,4,4,3,3,3,12,12,12,12,12 %N A094848 Class numbers associated with entries in A094847. %H A094848 Michael John Jacobson, <a href="http://hdl.handle.net/1993/18862">Computational techniques in quadratic fields</a>, Doctor of Science in Computer Science Thesis, University of Manitoba, 1995, 147 pages. %H A094848 Michael John Jacobson Jr. and Hugh C. Williams, <a href="https://doi.org/10.1090/S0025-5718-02-01418-7">New quadratic polynomials with high densities of prime values</a>, Math. Comp. 72 (2003), 499-519 %H A094848 D. H. Lehmer, E. Lehmer and D. Shanks, <a href="https://doi.org/10.1090/S0025-5718-1970-0271006-X">Integer sequences having prescribed quadratic character</a>, Math. Comp., 24 (1970), 433-451. %Y A094848 Cf. A094847. %K A094848 nonn,more %O A094848 1,9 %A A094848 _N. J. A. Sloane_, Jun 14 2004