A161598 Numbers such that TITO(n) is not equal to n, where TITO(n) = A161594(n).

10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 27, 28, 30, 32, 34, 35, 36, 38, 40, 42, 45, 48, 49, 50, 51, 52, 54, 56, 57, 58, 60, 63, 64, 65, 68, 70, 72, 74, 75, 76, 78, 80, 81, 84, 85, 87, 90, 91, 92, 94, 95, 96, 98, 100, 102, 104, 105, 106, 108, 110, 111, 112, 114, 115, 116

Offset: 1

Author

J. H. Conway & Tanya Khovanova, Jun 14 2009

Keywords

• nonn
• base

Comments

There are no prime numbers in the sequence: A010051(a(n)) = 0.

Links

• Reinhard Zumkeller, Table of n, a(n) for n = 1..10000
• T. Khovanova, Turning Numbers Inside Out [From _Tanya Khovanova_, Jul 07 2009]

Crossrefs

Complement of A161597.

Programs

Haskell

a161598 n = a161598_list !! (n-1)
a161598_list = filter (\x -> a161594 x /= x) [1..]
-- Reinhard Zumkeller, Oct 14 2011

Mathematica

reversepower[{n_, k_}] := FromDigits[Reverse[IntegerDigits[n]]]^k f[n_] := FromDigits[ Reverse[IntegerDigits[Times @@ Map[reversepower, FactorInteger[n]]]]] Select[Range[200], f[ # ] != # &]

Extensions

Edited by N. J. A. Sloane, Jun 23 2009

Offset corrected by Reinhard Zumkeller, Oct 14 2011