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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.

A374467 Numbers that are products of an odd number of primes and the total number of 1-bits in the exponents of their prime factorization n is odd.

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%I A374467 #7 Jul 14 2024 08:42:28
%S A374467 2,3,5,7,11,13,17,19,23,29,30,31,37,41,42,43,47,53,59,61,66,67,70,71,
%T A374467 72,73,78,79,83,89,97,101,102,103,105,107,108,109,110,113,114,127,128,
%U A374467 130,131,137,138,139,149,151,154,157,163,165,167,170,173,174,179,180,181,182,186,190,191,192,193,195,197,199
%N A374467 Numbers that are products of an odd number of primes and the total number of 1-bits in the exponents of their prime factorization n is odd.
%H A374467 Antti Karttunen, <a href="/A374467/b374467.txt">Table of n, a(n) for n = 1..12000</a>
%F A374467 {k | A001222(k) is odd and A064547(k) is odd}.
%o A374467 (PAR) isA374467 = A374466;
%Y A374467 Cf. A001222, A064547, A374466 (characteristic function).
%Y A374467 Intersection of A000028 and A026424.
%Y A374467 Differs from A374595 first at n=43, where a(43) = 128, a term that is missing from A374595.
%K A374467 nonn
%O A374467 1,1
%A A374467 _Antti Karttunen_, Jul 14 2024