A199262 Smallest m such that A199238(m) = n.

1, 3, 11, 15, 59, 95, 223, 255, 1007, 1919, 4091, 6143, 16379, 28671, 61439, 65535, 261119, 516095, 1048571, 1966079, 4128767, 8380415, 16769023, 25165823, 67108799, 134184959, 268434431, 469762047, 1073741819, 2013265919, 4160749567, 4294967295, 17163091967

Offset: 0

Author

Reinhard Zumkeller, Nov 04 2011

Keywords

• nonn

Comments

A199238(a(n)) = n and A199238(m) <> n for m < a(n).

Crossrefs

Cf. A138791.

Programs

Haskell

a199262 n = (fromJust $ elemIndex n a199238_list) + 1

Extensions

a(24)-a(32) from Donovan Johnson, Nov 05 2011