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A125290 Numbers with at least two distinct digits in decimal representation, none of which is 0. 4
12, 13, 14, 15, 16, 17, 18, 19, 21, 23, 24, 25, 26, 27, 28, 29, 31, 32, 34, 35, 36, 37, 38, 39, 41, 42, 43, 45, 46, 47, 48, 49, 51, 52, 53, 54, 56, 57, 58, 59, 61, 62, 63, 64, 65, 67, 68, 69, 71, 72, 73, 74, 75, 76, 78, 79, 81, 82, 83, 84, 85, 86, 87, 89, 91, 92, 93, 94, 95, 96, 97, 98, 112, 113, 114, 115, 116, 117, 118, 119, 121, 122, 123 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Also numbers having at least two partitions into digit values of their decimal representations: A061827(a(n)) > 1.

First differs from A101594 at a(83) = 123 != 131 = A101594(83). - Michael S. Branicky, Dec 13 2021

LINKS

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

Index entries for 10-automatic sequences.

FORMULA

A043537(A004719(a(n))) > 1.

A168046(a(n)) * A043537(A004719(a(n))) > 1. - Reinhard Zumkeller, Jun 18 2013

a(n) ~ n. - Charles R Greathouse IV, Feb 13 2017

MATHEMATICA

Select[Range[100], Length[Union[Select[IntegerDigits[#], #!=0&]]]>1&] (* Harvey P. Dale, May 19 2018 *)

PROG

(Haskell)

a125290 n = a125290_list !! (n-1)

a125290_list = filter ((> 1) . a043537) a052382_list

-- Reinhard Zumkeller, Jun 18 2013

(Python)

def ok(n): s = set(str(n)); return len(s) >= 2 and "0" not in s

print([k for k in range(124) if ok(k)]) # Michael S. Branicky, Dec 13 2021

CROSSREFS

Subsequence of A052382.  Supersequence of A101594.

Cf. A125293, A004719, A043537, A061827, A168046.

Sequence in context: A071955 A267760 A261921 * A101594 A162792 A297272

Adjacent sequences:  A125287 A125288 A125289 * A125291 A125292 A125293

KEYWORD

nonn,base,easy

AUTHOR

Reinhard Zumkeller, Nov 26 2006

EXTENSIONS

Name clarified by Michael S. Branicky, Dec 13 2021

STATUS

approved

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Last modified July 2 07:50 EDT 2022. Contains 354985 sequences. (Running on oeis4.)