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 A130787 #17 Mar 31 2025 13:31:26 %S A130787 1,8,6,1,5,2,2,8,3,4,9,2,2,7,5,7,4,6,4,6,8,3,2,1,5,2,1,8,7,6,2,9,8,2, %T A130787 3,6,7,6,1,2,9,3,7,2,8,5,8,1,3,6,9,6,5,4,4,4,2,2,0,8,2,6,3,3,2,1,1,5, %U A130787 2,3,8,6,2,0,1,9,2,7,2,3,6,7,1,1,5,2,6,0,6,1,6,3,1,3,7,7,5,4,4,9,8,1,5,5,0 %N A130787 Decimal expansion of the square of Pi*log_10(e). %H A130787 M. Abramowitz and I. A. Stegun, eds., <a href="http://www.convertit.com/Go/ConvertIt/Reference/AMS55.ASP">Handbook of Mathematical Functions</a>, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, 1972 [alternative scanned copy]. %H A130787 L. M. Milne-Thomson in M. Abramowitz and I. A. Stegun (eds.), <a href="https://personal.math.ubc.ca/~cbm/aands/">Handbook of Mathematical Functions</a>, 17.3.20. %F A130787 Equals A002388*A002285^2 = (Pi/log(10))^2. - _Robert G. Wilson v_, Jul 19 2007 %e A130787 1.86152283492275746468321521876298236761293728581369654442208263321... %p A130787 evalf((Pi/log(10) )^2); %t A130787 RealDigits[ (Pi/Log@10)^2, 10, 111][[1]] (* _Robert G. Wilson v_, Jul 19 2007 *) %Y A130787 Cf. A002388, A002285. %K A130787 cons,easy,nonn %O A130787 1,2 %A A130787 _R. J. Mathar_, Jul 15 2007 %E A130787 More terms from _Robert G. Wilson v_, Jul 19 2007