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 A222493 #12 Jan 26 2022 11:59:38 %S A222493 0,1,2,3,4,5,6,7,8,9,1,1,4,16,27,16,256,3125,46656,823543,16777216, %T A222493 387420489,1,1,2,3,4,5,6,7,8,9,1,1,1,1,1,1,1,1,2,2,4,6,8,10,12,14,16, %U A222493 18,8,16,32,64,128,256,512,1024,3,3,6,9,12,15,18,21,24,27 %N A222493 a(n) = A133500(A221221(n)). %H A222493 Reinhard Zumkeller, <a href="/A222493/b222493.txt">Table of n, a(n) for n = 1..10000</a> %F A222493 a(n) = A133048(A221221(n)), by definition of A221221. %o A222493 (Haskell) %o A222493 a222493 = a133500 . a221221 %Y A222493 Cf. A133048, A133500, A221221. %K A222493 nonn,base,look %O A222493 1,3 %A A222493 _Reinhard Zumkeller_, May 27 2013