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 A225064 #9 Feb 16 2025 08:33:19 %S A225064 2,2,1,2,0,2,9,9,9,7,9,2,1,1,7,6,5,3,8,9,2,4,9,1,9,3,4,2,1,5,9,9,1,7, %T A225064 9,5,6,8,5,3,2,6,3,1,9,4,9,3,5,1,4,8,2,6,1,4,3,8,9,7,6,7,1,4,5,8,8,2, %U A225064 3,9,1,2,5,0,3,7,4,7,9,4,3,8,0,2,1,4,7,9,4,9,4,9,4,6,7,0,7,4,7,3,3,5,5,9,7,0,2,5,7,7,7,3,1,4,0,2,9,1,7,4 %N A225064 Decimal expansion of the fractional part of e^e^e^e. %C A225064 It was conjectured (but remains unproved) that this sequence is infinite and aperiodic. %H A225064 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/e.html">e</a> %F A225064 a(n) = A085667(n+1656521), where 1656521 is the length of the integer part of e^e^e^e. %e A225064 frac(e^e^e^e) = 0.2212029997921176538924919342.... %t A225064 base = 10; terms = 120; First[RealDigits[FractionalPart[E^E^E^E], base, terms]] %Y A225064 Cf. A085667 (includes integer part). %K A225064 nonn,cons,easy %O A225064 0,1 %A A225064 _Vladimir Reshetnikov_, Apr 26 2013 %E A225064 Offset corrected by _Rick L. Shepherd_, Jan 01 2014