A239070 - OEIS

%I #4 Mar 10 2014 13:58:21

%S 2,1,10,62,97,22,3,224,92,5,242,120,144,40,69,858,61,142,195,456,76,

%T 265,180,1254,189,166,338,339,1062,757,1162,372,682,980,252,281,202,

%U 2350,251,2110,1381,804,52,625,750,910,1057,8,541,1082,15,486,1414,595

%N Smallest m such that A132995(m) = n-th squarefree number.

%C A132995(a(n)) = A005117(n) and A132995(m) <> A005117(n) for m < a(n).

%H Reinhard Zumkeller, <a href="/A239070/b239070.txt">Table of n, a(n) for n = 1..2000</a>

%o (Haskell)

%o import Data.List (elemIndex); import Data.Maybe (fromJust)

%o a239070 = (+ 1) . fromJust . (`elemIndex` a132995_list) . a005117

%K nonn

%O 1,1

%A _Reinhard Zumkeller_, Mar 10 2014