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 A202393 #17 Feb 16 2025 08:33:16 %S A202393 4,4,3,4,4,1,7,4,4,9,7,4,4,2,4,3,4,4,1,4,4,4,1,6,4,6,8,6,3,4,4,4,4,6, %T A202393 4,5,6,2,6,3,6,6,9,4,3,6,6,4,9,5,6,4,4,6,4,3,4,4,6,4,9,5,4,4,4,4,7,3, %U A202393 9,8,4,2,1,6,7,1,6,4,4,3,9,4,7,6,4,3 %N A202393 Digital root of Hoax Numbers A019506. %H A202393 Reinhard Zumkeller, <a href="/A202393/b202393.txt">Table of n, a(n) for n = 1..10000</a> %H A202393 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/HoaxNumber.html">Hoax Number</a>. %F A202393 a(n) = A010888(A019506(n)). %Y A202393 Cf. A050223, A202388. %K A202393 nonn,base %O A202393 1,1 %A A202393 _Reinhard Zumkeller_, Dec 19 2011