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A125289 Numbers with unique nonzero digit in decimal representation. 3
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 20, 22, 30, 33, 40, 44, 50, 55, 60, 66, 70, 77, 80, 88, 90, 99, 100, 101, 110, 111, 200, 202, 220, 222, 300, 303, 330, 333, 400, 404, 440, 444, 500, 505, 550, 555, 600, 606, 660, 666, 700, 707, 770, 777, 800, 808, 880, 888, 900, 909 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

A043537(a(n)) <= 2; complement of A125290;

A043537(A004719(a(n))) = 1: A004719(a(n)) is a repdigit number, see A010785;

also numbers having exactly one partition into digit values of their decimal representations: A061827(a(n))=1.

LINKS

Table of n, a(n) for n=1..61.

Eric Weisstein's World of Mathematics, Repeating Decimal

Eric Weisstein's World of Mathematics, Repdigit

PROG

(Python)

A125289_list = [n for n in range(10**4) if len(set(str(n))-{'0'})==1]

# Chai Wah Wu, Jan 04 2015

CROSSREFS

Cf. A125292.

Sequence in context: A281625 A169824 A061917 * A180482 A193460 A114801

Adjacent sequences:  A125286 A125287 A125288 * A125290 A125291 A125292

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller, Nov 26 2006

STATUS

approved

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Last modified March 18 17:51 EDT 2019. Contains 321292 sequences. (Running on oeis4.)