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 A122969 #17 Oct 09 2020 03:39:45
%S A122969 0,1,268435456,22876792454961,72057594037927936,37252902984619140625,
%T A122969 6140942214464815497216,459986536544739960976801,
%U A122969 19342813113834066795298816,523347633027360537213511521
%N A122969 28th powers: a(n) = n^28.
%H A122969 Amiram Eldar, <a href="/A122969/b122969.txt">Table of n, a(n) for n = 0..10000</a>
%F A122969 Totally multiplicative sequence with a(p) = p^28 for prime p. Multiplicative sequence with a(p^e) = p^(28e). - _Jaroslav Krizek_, Nov 01 2009
%F A122969 From _Amiram Eldar_, Oct 09 2020: (Start)
%F A122969 Dirichlet g.f.: zeta(s-28).
%F A122969 Sum_{n>=1} 1/a(n) = zeta(28) = 6785560294*Pi^28/564653660170076273671875.
%F A122969 Sum_{n>=1} (-1)^(n+1)/a(n) = 134217727*zeta(28)/134217728 = 65053034220152267*Pi^28/5413323669636552217067520000000. (End)
%t A122969 Table[n^28,{n,0,16}] (* _Vladimir Joseph Stephan Orlovsky_, Mar 18 2010 *)
%t A122969 Range[0,16]^28 (* _Harvey P. Dale_, Dec 09 2012 *)
%Y A122969 Cf. A010813, A089081, A122968.
%K A122969 mult,nonn,easy
%O A122969 0,3
%A A122969 _Franklin T. Adams-Watters_, Oct 27 2006