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 A179895 #2 Mar 30 2012 17:26:35 %S A179895 1,1,15,586,212,22485,68313,278874,623609,3082207 %N A179895 a(n) = smallest number m such that m^2 has exactly n decimal digits n. %e A179895 a(0)=1 because 1^1=1 has zero 0's %e A179895 a(1)=1 because 1^1=1 has one 1's %e A179895 a(8)=623609 because 623609^2=388888184881 has eight 8's %e A179895 a(9)=3082207 because3082207^2=9499999990849 has nine 9's. %Y A179895 Cf. A086935 %K A179895 base,fini,full,nonn %O A179895 0,3 %A A179895 _Zak Seidov_, Jul 31 2010