%I #13 Mar 30 2012 18:51:11
%S 1,3,11,15,59,95,223,255,1007,1919,4091,6143,16379,28671,61439,65535,
%T 261119,516095,1048571,1966079,4128767,8380415,16769023,25165823,
%U 67108799,134184959,268434431,469762047,1073741819,2013265919,4160749567,4294967295,17163091967
%N Smallest m such that A199238(m) = n.
%C A199238(a(n)) = n and A199238(m) <> n for m < a(n).
%o (Haskell)
%o a199262 n = (fromJust $ elemIndex n a199238_list) + 1
%Y Cf. A138791.
%K nonn
%O 0,2
%A _Reinhard Zumkeller_, Nov 04 2011
%E a(24)-a(32) from _Donovan Johnson_, Nov 05 2011