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 A094801 #8 Feb 14 2021 04:44:56 %S A094801 13199998,117463825,513199998,1111111110 %N A094801 Numbers k such that k is a term of A014778, but k-1 and k+1 are not. %D A094801 M. Protat, Des Olympiades a l'Agregation, Nombre de "1", Problem 89, pp. 182-183, Ellipses, Paris 1997. %Y A094801 Cf. A014778. %Y A094801 Cf. A094798, A094799, A094800. %K A094801 base,easy,fini,full,nonn %O A094801 1,1 %A A094801 _Lekraj Beedassy_, Jun 11 2004 %E A094801 Corrected by _David Wasserman_, Jun 29 2007