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 A248728 #16 Sep 08 2022 08:46:10
%S A248728 1,3,30,3010,18004327,133978259344888,233202632378520643600875145,
%T A248728 817400077628568283525440629036885986580578161120,
%U A248728 37560309092871894517794668078727801667246369744545646936224413217138060330481863103169
%N A248728 Number of partitions of 3^n.
%H A248728 Alois P. Heinz, <a href="/A248728/b248728.txt">Table of n, a(n) for n = 0..12</a>
%F A248728 a(n) = A000041(3^n). - _Michel Marcus_, Oct 18 2014
%F A248728 a(n) ~ exp(Pi*sqrt(2*3^(n-1)))/(4*3^(n+1/2)). - _Ilya Gutkovskiy_, Jan 13 2017
%t A248728 Table[ PartitionsP[ 3^n], {n, 0, 8}]
%o A248728 (Magma) [NumberOfPartitions(3^n): n in [0..8]]; // _Vincenzo Librandi_, Oct 13 2014
%o A248728 (PARI) a(n) = numbpart(3^n) \\ _Michel Marcus_, Oct 18 2014
%Y A248728 Cf. A000041, A068413, A248730, A248732, A248734, A070177, A248729.
%K A248728 nonn
%O A248728 0,2
%A A248728 _Robert G. Wilson v_, Oct 12 2014
%E A248728 Added a(0)=1 from _Vincenzo Librandi_, Oct 13 2014