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 A337478 #8 Sep 01 2020 08:54:17 %S A337478 1,3,20,38,159,749,1337 %N A337478 Primorial deflation of A336389. %H A337478 <a href="/index/Pri#prime_indices">Index entries for sequences computed from indices in prime factorization</a> %H A337478 <a href="/index/Pri#primorial_numbers">Index entries for sequences related to primorial numbers</a> %H A337478 <a href="/index/Si#SIGMAN">Index entries for sequences related to sigma(n)</a> %F A337478 a(n) = A319626(A336389(n)) = A329900(A336389(n)). %F A337478 For all n >= 0, A337474(a(n)) >= n and a(n) >= A337476(n). %Y A337478 Cf. A319626, A329900, A336389, A337474, A337476. %Y A337478 Cf. also A337477. %K A337478 nonn,hard,more %O A337478 0,2 %A A337478 _Antti Karttunen_, Aug 29 2020