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Smallest m such that |A258057(m)| = n.
2

%I #5 Jun 10 2015 06:44:55

%S 0,1,98,3,5,25,8,34,13,44,325,7,22,86,20,11,74,1910,62,122,17,4563,

%T 254,19,15,50,117,7174,385,177,29,16,61,69,24,213,51,118,73,56601,41,

%U 121,82,23,866,9025,68,43,35,142,135,5005,39,77,106,52,174,5865,70

%N Smallest m such that |A258057(m)| = n.

%C |A258057(a(n))| = n and |A258057(m)| != n for m < a(n).

%H Reinhard Zumkeller, <a href="/A258765/b258765.txt">Table of n, a(n) for n = 0..177</a>

%o (Haskell)

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

%o a258765 = fromJust . (`elemIndex` (map abs a258057_list))

%Y Cf. A258057, A003415.

%K nonn

%O 0,3

%A _Reinhard Zumkeller_, Jun 10 2015