cp's OEIS Frontend

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.

A349306 Numbers k that divide A092694(k).

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%I A349306 #12 Nov 14 2021 08:36:42
%S A349306 1,8,16,27,32,54,64,81,108,125,128,162,216,243,250,256,324,343,432,
%T A349306 486,500,512,625,648,686,729,864,972,1000,1024,1029,1250,1296,1331,
%U A349306 1372,1458,1728,1944,2000,2048,2058,2187,2197,2401,2500,2592,2662,2744,2916,3087
%N A349306 Numbers k that divide A092694(k).
%C A349306 Includes all the numbers of the form 2^k * m, where k >= 0 and m is an odd cubefull number, except for 2 and 4. In particular, includes all the cubefull numbers (A036966).
%C A349306 Terms whose odd part is not cubefull are 1029, 2058, 3087, 4116, 6174, 6591, ...
%H A349306 Amiram Eldar, <a href="/A349306/b349306.txt">Table of n, a(n) for n = 1..10000</a>
%e A349306 8 is a term since A092694(8) = 8 is divisible by 8.
%e A349306 16 is a term since A092694(16) = 64 is divisible by 16.
%t A349306 Select[Range[3000], Divisible[Times @@ FixedPointList[EulerPhi, #]/#, #] &]
%Y A349306 Cf. A000265, A082897, A092694.
%Y A349306 A036966 is a subsequence.
%K A349306 nonn
%O A349306 1,2
%A A349306 _Amiram Eldar_, Nov 14 2021