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 A330745 #6 Jan 10 2020 18:13:56 %S A330745 1,2,4,3,6,12,24,10,20,40,30,60,21,42,84,168,336,66,132,264,528,396, %T A330745 792,117,234,468,936,1872,780,1560,612,1224,2448,1020,2040,684,1368, %U A330745 2736,1140,2280,4560,1596,3192,1380,2760,5520,1932,3864,7728,15456,11592,23184,1827,3654,7308,14616,29232,1953,3906,7812,15624,31248,62496 %N A330745 Primorial deflation of A019505(n), where A019505(n) is smallest number with same number of divisors as 2*A019505(n-1), starting from A019505(1) = 1. %C A330745 a(n) is the unique integer k such that A108951(k) = A019505(n). %C A330745 Conjectured to be a subsequence of A329902. %C A330745 Terms computed from b-file of A019505 provided by _R. J. Mathar_. %F A330745 a(n) = A329900(A019505(n)). %o A330745 (PARI) A330745(n) = A329900(A019505(n)); %Y A330745 Cf. A019505, A108951, A329900, A329902. %Y A330745 Cf. A330744 (conjectured subsequence). %K A330745 nonn %O A330745 1,2 %A A330745 _Antti Karttunen_, Jan 10 2020