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Smallest m such that A065806(m) = n.
3

%I #12 May 03 2023 09:11:27

%S 1,10,3,5,15,9,7,97,12,280,18,114,31,37,19,16,23,58,90,21,26,32,82,40,

%T 72,104,68,35,33,48,87,47,412,107,66,41,70,38,49,797,1112,42,238,67,

%U 50,991,185,63,62,178,79,260,454,705,69,924,140,250,64,74,161

%N Smallest m such that A065806(m) = n.

%C All integers > 1 occur in A065806, see conjecture there;

%C A065806(a(n)) = n and A065806(m) <> n for m < a(n).

%H Reinhard Zumkeller, <a href="/A241887/b241887.txt">Table of n, a(n) for n = 2..1000</a>

%o (Haskell)

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

%o a241887 = (+ 1) . fromJust . (`elemIndex` a065806_list)

%Y Cf. A065806, A241671.

%K nonn

%O 2,2

%A _Reinhard Zumkeller_, Aug 09 2014