# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a362594 Showing 1-1 of 1 %I A362594 #47 Sep 27 2023 02:43:30 %S A362594 24,40,54,56,88,96,104,120,135,136,152,160,168,184,189,216,224,232, %T A362594 248,250,264,270,280,296,297,312,328,344,351,352,375,376,378,384,408, %U A362594 416,424,440,456,459,472,480,486,488,513,520,536,544,552,568,584,594,608,616 %N A362594 Exponentially odd numbers that are neither squarefree nor prime powers. %C A362594 The asymptotic density of this sequence is A065463 - A059956 = 0.09651509914... . - _Amiram Eldar_, Sep 27 2023 %H A362594 Michael De Vlieger, Table of n, a(n) for n = 1..10000 %F A362594 This sequence is A126706 INTERSECT A268335. %F A362594 A268335 = Union(S, T) where S is this sequence and T = {A005117 U A097054} = {A005117 U A246551}. %e A362594 24 = 2^3 * 3^1 is in this sequence because it has 2 distinct prime factors whose multiplicities are odd and one such multiplicity exceeds 1. %t A362594 Select[Select[Range[1000], Nor[SquareFreeQ[#], PrimePowerQ[#]] &], Times @@ FactorInteger[#][[All, 1]] == (Sqrt[#] /. (c_ : 1)*a_^(b_ : 0) :> (c*a^b)^2) &] %Y A362594 Cf. A005117, A097054, A126706, A246551, A268335, A301517. %Y A362594 Cf. A059956, A065463. %K A362594 nonn %O A362594 1,1 %A A362594 _Michael De Vlieger_, Sep 08 2023 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE