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 A092554 #15 Feb 09 2025 16:01:25 %S A092554 0,4,9,7,8,7,0,6,8,3,6,7,8,6,3,9,4,2,9,7,9,3,4,2,4,1,5,6,5,0,0,6,1,7, %T A092554 7,6,6,3,1,6,9,9,5,9,2,1,8,8,4,2,3,2,1,5,5,6,7,6,2,7,7,2,7,6,0,6,0,6, %U A092554 0,6,6,7,7,3,0,1,9,9,5,5,0,1,5,4,0,5,4,2,4,4,2,3,6,6,3,3,3,4,4,5,2,6,4,0,1 %N A092554 Decimal expansion of e^(-3). %e A092554 0.049787068367863942979342415650061776631699592188423... %t A092554 First[RealDigits[E^-3, 10, 100, -1]] (* _Paolo Xausa_, Feb 09 2025 *) %o A092554 (PARI) exp(-3) \\ _Michel Marcus_, May 10 2022 %Y A092554 Cf. A019774, A001113, A068985. %K A092554 cons,nonn %O A092554 0,2 %A A092554 _Mohammad K. Azarian_, Apr 09 2004