A241158 Numbers in which the two leading (most significant) digits are distinct.

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 120

Offset

1,3

Comments

More than the usual number of terms are displayed in order to show the difference from some closely-related sequences.

Links

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

Prog

(Haskell)
a241158 n = a241158_list !! (n-1)
a241158_list = filter (f . show)  [0..] where
   f [_] = True; f (d : d' : _) = d /= d'
-- Reinhard Zumkeller, May 02 2014

Crossrefs

Cf. A010784, A043096, A241157.

Sequence in context: A136002 A059543 A160542 * A241157 A043096 A355301

Adjacent sequences: A241155 A241156 A241157 * A241159 A241160 A241161

Keyword

nonn,base

Author

N. J. A. Sloane, Apr 18 2014

Status

approved