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 A089081 #18 Sep 08 2022 08:45:12
%S A089081 0,1,67108864,2541865828329,4503599627370496,1490116119384765625,
%T A089081 170581728179578208256,9387480337647754305649,
%U A089081 302231454903657293676544,6461081889226673298932241,100000000000000000000000000
%N A089081 26th powers: a(n) = n^26.
%H A089081 Vincenzo Librandi, <a href="/A089081/b089081.txt">Table of n, a(n) for n = 0..1000</a>
%H A089081 <a href="/index/Di#divseq">Index to divisibility sequences</a>
%F A089081 a(n) = n^26.
%F A089081 Completely multiplicative sequence with a(p) = p^26 for prime p. Multiplicative sequence with a(p^e) = p^(26e). - _Jaroslav Krizek_, Nov 01 2009
%F A089081 From _Amiram Eldar_, Oct 09 2020: (Start)
%F A089081 Dirichlet g.f.: zeta(s-26).
%F A089081 Sum_{n>=1} 1/a(n) = zeta(26) = 1315862*Pi^26/11094481976030578125.
%F A089081 Sum_{n>=1} (-1)^(n+1)/a(n) = 33554431*zeta(26)/33554432 = 22076500342261*Pi^26/186134520519971831808000000. (End)
%t A089081 Range[0, 9]^26 (* _Alonso del Arte_, Apr 26 2015 *)
%o A089081 (Magma) [n^26: n in [0..15]]; // _Vincenzo Librandi_, Jun 19 2011
%o A089081 (PARI) a(n)=n^26 \\ _Charles R Greathouse IV_, Jun 28 2015
%Y A089081 Cf. A008454-A008456, A010801-A010813.
%K A089081 nonn,mult,easy
%O A089081 0,3
%A A089081 Douglas Winston (douglas.winston(AT)srupc.com), Dec 04 2003