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 A092801 #12 Sep 25 2014 23:23:19 %S A092801 2,28,285,2873,28795,288244,2883807,28846206,288514821,2885502969, %T A092801 28857521613,288593332699,2886069270370 %N A092801 Standard deviation (rounded) of composites below 10^n. %C A092801 As with the primes in A091716, each succeeding term seems a close multiple of that preceding. %C A092801 Exact values: a(8)=sqrt(1055690147582754761176900206278/1268700426680407), a(9)=sqrt(2343463734895394416636292841043365/28152824997414728), a(10)=sqrt(758560349177461014920842710257059832362/91106022529587615169). [From _Sean A. Irvine_, Apr 07 2010] %C A092801 Exact values from _Sean A. Irvine_ are population standard deviations. - _Hiroaki Yamanouchi_, Sep 23 2014 %D A092801 John E. Freund, Modern elementary statistics, 5th ed. (Prentice-Hall, 1979), pp. 42-47 %e A092801 a(3) = 285 because this is the computed and rounded sample standard deviation of the composites below 10^3. %Y A092801 Cf. A092802, A091716. %K A092801 more,nonn %O A092801 1,1 %A A092801 _Enoch Haga_, Mar 06 2004 %E A092801 Corrected and extended by _Sean A. Irvine_, Apr 07 2010 %E A092801 a(8) corrected and a(11)-a(13) from _Hiroaki Yamanouchi_, Sep 23 2014