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.

A220170 Numbers k that divide 5^k + 3^k + 2^k.

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%I A220170 #22 Jul 23 2023 01:53:14
%S A220170 1,2,5,25,38,85,125,625,722,2225,3125,5825,13718,15625,16502,51325,
%T A220170 53125,60625,78125,155125,260642,313538,315514,390625,739925,1953125,
%U A220170 4097125,4952198,5260202,5265625,5931914,5957222,9603322,9765625
%N A220170 Numbers k that divide 5^k + 3^k + 2^k.
%H A220170 Zak Seidov, <a href="/A220170/b220170.txt">Table of n, a(n) for n = 1..63</a> (all terms up to 2*10^9)
%t A220170 Select[Range[1000000], Mod[PowerMod[5, #, #] + PowerMod[3, #, #] + PowerMod[2, #, #], #] == 0 &] (* _T. D. Noe_, Dec 06 2012 *)
%Y A220170 Cf. A045576 (numbers k that divide 3^k + 2^k).
%K A220170 nonn
%O A220170 1,2
%A A220170 _Zak Seidov_, Dec 06 2012