A199262 - OEIS

%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