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 A085032 #9 Sep 11 2022 12:49:44
%S A085032 2,3,2,3,1,1,2,2,3,2,2,2,1,2,2,3,2,1,2,3,1,2,3,3,2,2,5,1,3,1,3,3,3,1,
%T A085032 2,1,3,2,3,2,3,2,2,3,2,1,2,1,4,1,4,2,3,1,1,4,4,1,4,2,4,3,1,4,5,2,4,3,
%U A085032 3,4,2,3,5,2,2,1,3,3,2,3,5,4,7,1
%N A085032 Number of prime factors of cyclotomic(n,7), which is A019325(n), the value of the n-th cyclotomic polynomial evaluated at x=7.
%C A085032 The Mobius transform of this sequence yields A057954, number of prime factors of 7^n-1.
%D A085032 See references at A085021
%H A085032 Max Alekseyev, <a href="/A085032/b085032.txt">Table of n, a(n) for n = 1..388</a>
%t A085032 Table[Plus@@Transpose[FactorInteger[Cyclotomic[n, 7]]][[2]], {n, 1, 100}]
%Y A085032 omega(Phi(n,x)): A085021 (x=2), A085028 (x=3), A085029 (x=4), A085030 (x=5), A085031 (x=6), this sequence (x=7), A085033 (x=8), A085034 (x=9), A085035 (x=10).
%Y A085032 Cf. A019325, A057954, A059889, A074249.
%K A085032 nonn
%O A085032 1,1
%A A085032 _T. D. Noe_, Jun 19 2003