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 A096255 #12 Oct 17 2020 12:46:27 %S A096255 2,4,8,0,5,4,8,3,0,2,1,5,8,7,0,8,3,9,1,6,0,4,0,6,3,5,3,9,3,0,1,1,4,3, %T A096255 3,2,2,1,3,3,3,8,3,8,3,6,6,8,8,9,4,3,3,0,2,3,2,6,2,2,1,5,5,3,6,9,7,4, %U A096255 7,1,0,2,6,3,4,0,1,4,7,4,7,9,6,1,7,4,6,0,9,1,8,6,3,9,4,3,0,4,3,7,0,5,0,2,7 %N A096255 Decimal expansion of Pi^2 - e^2. %e A096255 2.4805483021587083916040635393... %t A096255 RealDigits[Pi^2-E^2,10,120][[1]] (* _Harvey P. Dale_, Oct 17 2020 *) %Y A096255 Cf. A000796, A001113, A073244. %K A096255 cons,nonn %O A096255 1,1 %A A096255 _Mohammad K. Azarian_, Aug 10 2004