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 A127601 #33 Nov 28 2021 03:07:32
%S A127601 1,1,1,2,3,6,13,26,55,122,283,669,1650,4176,10694,28002,75555,209402,
%T A127601 585212,1674296,4860120,14206194,42353033,127836257,392646335,
%U A127601 1232237672,3906383039,12444691408,40024883480,129326254765
%N A127601 Integer part of 4th root of product of first n primes.
%C A127601 For n>=6, a(n) >= prime(n+1).
%C A127601 a(n) gives the number of pairs within A002110(n) of the form {x, x^4} where x is nonzero positive integer. - _Soumyadeep Dhar_, May 16 2021
%H A127601 Soumyadeep Dhar, <a href="/A127601/b127601.txt">Table of n, a(n) for n = 0..1154</a>
%t A127601 a = {}; Do[b = 1; Do[b = b Prime[x], {x, 1, n}]; AppendTo[a, Floor[b^(1/4)]], {n, 1, 50}]; a
%o A127601 (PARI) a(n)={sqrtnint(vecprod(primes(n)), 4)} \\ _Andrew Howroyd_, Apr 27 2021
%Y A127601 Cf. A002110, A060797, A127600, A127602, A127603, A127604.
%K A127601 nonn
%O A127601 0,4
%A A127601 _Artur Jasinski_, Jan 19 2007
%E A127601 a(0)=1 prepended by _Soumyadeep Dhar_, Apr 28 2021