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 A347033 #24 Aug 06 2024 05:57:17
%S A347033 3,3,9,9,8,8,4,3,7,7,0,7,1,5,1,4,9,4,2,3,8,1,8,9,1,3,2,5,1,7,8,8,0,4,
%T A347033 9,0,0,1,7,4,4,2,1,0,6,4,9,1,3,3,7,9,2,9,5,3,6,4,1,6,2,1,2,2,4,0,9,6,
%U A347033 0,3,8,8,1,2,4,5,9,9,1,8,4,2,6,0,4,8,1
%N A347033 Decimal expansion of (5*exp(4)-1)/8.
%H A347033 Michael I. Shamos, <a href="https://citeseerx.ist.psu.edu/pdf/ae33a269baba5e8b1038e719fb3209e8a00abec5">Shamos's catalog of the real numbers</a> (2011).
%H A347033 <a href="/index/Tra#transcendental">Index entries for transcendental numbers</a>
%F A347033 Equals Sum_{k>=0} k*4^k / (k! * (k+2)).
%e A347033 33.998843770715149423818913251788049001744210...
%t A347033 RealDigits[(5*Exp[4]-1)/8,10,120][[1]] (* _Harvey P. Dale_, Jun 22 2022 *)
%o A347033 (PARI) (5*exp(4)-1)/8 \\ _Charles R Greathouse IV_, Oct 02 2022
%Y A347033 Cf. A092426.
%K A347033 nonn,cons
%O A347033 2,1
%A A347033 _Sean A. Irvine_, Aug 14 2021