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 A019660 #15 Jul 08 2025 07:32:59 %S A019660 1,8,2,6,4,2,6,4,7,8,3,2,6,4,2,3,6,6,5,3,3,8,5,1,4,4,2,2,5,6,7,3,0,1, %T A019660 4,4,7,1,2,3,6,9,2,2,2,0,4,0,4,1,0,4,2,8,6,8,8,6,0,8,7,5,0,7,1,6,9,9, %U A019660 7,2,6,0,7,7,2,6,8,4,8,0,5,2,7,7,7,4,7,2,8,5,4,8,5,4,4,1,1,8,2 %N A019660 Decimal expansion of sqrt(Pi*e)/16. %H A019660 Ivan Panchenko, <a href="/A019660/b019660.txt">Table of n, a(n) for n = 0..1000</a> %t A019660 First[RealDigits[Sqrt[Pi*E]/16, 10, 100]] (* _Paolo Xausa_, May 02 2024 *) %Y A019660 Cf. A000796, A001113, A019645. %K A019660 nonn,cons %O A019660 0,2 %A A019660 _N. J. A. Sloane_