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 A227871 #19 Jul 18 2019 11:30:34 %S A227871 1,5,16,17,22,29,37,23,52,44,67,65,73,68,52,80,85,83,100,122,106,116, %T A227871 130,137,118,140,124,152,166,173,136,158,178,179,202,128,199,176,187, %U A227871 206,220,227,244,230,232,224,256,272,253,275,268,278,301,272,298,257 %N A227871 Sum of digits of 14^n. %H A227871 Irene Sermon, <a href="/A227871/b227871.txt">Table of n, a(n) for n = 0..10000</a> %F A227871 a(n) = A007953(A001023(n)). %e A227871 For n=9, 14^9=20661046784 and the sum of the digits is 44. %t A227871 Total[IntegerDigits[#]]&/@(14^Range[0,60]) (* _Harvey P. Dale_, Jul 18 2019 *) %Y A227871 Cf. A001023, A007953, A175527. %K A227871 nonn,base %O A227871 0,2 %A A227871 _Irene Sermon_, Oct 25 2013