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 A002345 M0197 N0074 #15 Dec 26 2016 02:11:19 %S A002345 1,1,1,2,2,1,2,3,1,3,1,2,4,3,4,2,1,3,5,5,4,2,5,4,5,1,6,4,2,1,4,7,7,6, %T A002345 7,2,4,6,5,7,8,8,3,7,1,5,6,3,2,8,9,7,6,8,9,4,2,5,8,1,10,10,3,7,5,2,8, %U A002345 10,9,7 %N A002345 Numbers y such that p = x^2 + 7y^2, with prime p = A033207(n). %D A002345 A. J. C. Cunningham, Quadratic Partitions. Hodgson, London, 1904, p. 1. %D A002345 D. H. Lehmer, Guide to Tables in the Theory of Numbers. Bulletin No. 105, National Research Council, Washington, DC, 1941, p. 55. %D A002345 N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence). %D A002345 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A002345 T. D. Noe, <a href="/A002345/b002345.txt">Table of n, a(n) for n = 1..1000</a> %H A002345 A. J. C. Cunningham, <a href="/A002330/a002330.pdf">Quadratic Partitions</a>, Hodgson, London, 1904 [Annotated scans of selected pages] %Y A002345 Cf. A002344. %K A002345 nonn %O A002345 1,4 %A A002345 _N. J. A. Sloane_