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 A259923 #22 Sep 08 2022 08:46:13
%S A259923 1,3,25,49,1331,2197,83521,130321,279841,707281,28629151,69343957,
%T A259923 4750104241,6321363049,10779215329,22164361129,2488651484819,
%U A259923 3142742836021,406067677556641,645753531245761,806460091894081,1517108809906561,186940255267540403,350356403707485209,760231058654565217
%N A259923 a(n) = prime(n)^pi(n).
%F A259923 a(n) = A000040(n)^A000720(n).
%F A259923 a(n) ~ (n * log n)^(n/log(n)), by the prime number theorem.
%e A259923 For n = 1, a(1) = 2^0 = 1.
%t A259923 Table[Prime[n]^PrimePi[n], {n, 1, 25}]
%o A259923 (PARI) vector(30, n, prime(n)^primepi(n)) \\ _Michel Marcus_, Jul 09 2015
%o A259923 (Magma) [NthPrime(n)^#PrimesUpTo(n): n in [1..30]]; // _Vincenzo Librandi_, Aug 03 2015
%Y A259923 Cf. A000040, A000720.
%Y A259923 Cf. A062457.
%K A259923 nonn
%O A259923 1,2
%A A259923 _Ilya Gutkovskiy_, Jul 09 2015