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 A019764 #18 Jul 08 2025 07:38:21 %S A019764 1,0,8,7,3,1,2,7,3,1,3,8,3,6,1,8,0,9,4,1,4,4,1,1,4,9,8,8,5,4,1,0,6,4, %T A019764 9,9,9,1,0,2,8,9,8,8,3,7,4,7,9,9,8,3,8,2,9,9,8,6,7,8,7,0,5,1,0,8,9,6, %U A019764 3,0,6,5,2,1,4,1,4,1,9,0,3,7,8,2,8,5,5,2,8,7,1,4,1,0,0,6,6,5,7 %N A019764 Decimal expansion of 2*e/5 (or 4*e). %H A019764 Ivan Panchenko, <a href="/A019764/b019764.txt">Table of n, a(n) for n = 1..1000</a> %e A019764 4*e = 10.8731273138361809414411498854... (with offset 2), %e A019764 2*e/5 = 1.08731273138361809414411498854... (with offset 1). %t A019764 RealDigits[2*E/5,10,120][[1]] (* _Harvey P. Dale_, Oct 03 2015 *) %Y A019764 Cf. A001113. %K A019764 nonn,cons %O A019764 1,3 %A A019764 _N. J. A. Sloane_