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 A099400 #3 Mar 31 2012 20:08:01 %S A099400 5,11,21,3,83,124,201,27,5,28,11,179,2,89,20,91,92,58,114,50,3,23,34, %T A099400 24,288,2411,581,1377,1031,489,1531,366,849,632,406,536,367,2721, %U A099400 13495,537,634,492,686,331,1866,408,52,409,485,688,297,742,1105,12377,856,1174 %N A099400 Square root of a(n) contains the n-th prime as a string of digits to the immediate right of the decimal point (excluding leading zeros). %e A099400 a(1)= 5 because sqrt( 5)=2.(2)236... %e A099400 a(2)=11 because sqrt(11)=3.(3)316... %e A099400 a(3)=21 because sqrt(21)=4.(5)825... %e A099400 a(4)= 3 because sqrt( 3)=1.(7)320... %e A099400 ... %e A099400 a(100) =1125 because sqrt(1125)=33.5410... and 541 is the 100th prime. %Y A099400 Cf. A074841, A074762. %K A099400 nonn,base %O A099400 1,1 %A A099400 _Gil Broussard_, Nov 17 2004