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 A295994 #6 Dec 02 2017 20:50:47
%S A295994 21483,26091,31436,39195,41643,43371,43803
%N A295994 Numbers n such that there are precisely 11 groups of orders n and n + 1.
%C A295994 Equivalently, lower member of consecutive terms of A249554.
%H A295994 H. U. Besche, B. Eick and E. A. O'Brien. <a href="http://dx.doi.org/10.1142/S0218196702001115">A Millennium Project: Constructing Small Groups</a>, Internat. J. Algebra and Computation, 12 (2002), 623-644.
%H A295994 Gordon Royle, <a href="http://staffhome.ecm.uwa.edu.au/~00013890/remote/cubcay/">Numbers of Small Groups</a>
%H A295994 <a href="/index/Gre#groups">Index entries for sequences related to groups</a>
%F A295994 Sequence is { n | A000001(n) = 11, A000001(n+1) = 11 }.
%e A295994 21483 is in the sequence because A000001(21483) = A000001(21484) = 11, 26091 is in the sequence because A000001(26091) = A000001(26092) = 11 and 43803 is in the sequence because A000001(43803) = A000001(43804) = 11.
%Y A295994 Cf. A000001, A249554.
%K A295994 nonn,more
%O A295994 1,1
%A A295994 _Muniru A Asiru_, Dec 02 2017