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A011531 Numbers that contain a 1. 28
1, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, 31, 41, 51, 61, 71, 81, 91, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

A121042(a(n)) = 1. - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 21 2006

LINKS

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

PROG

(Haskell)

a011531 n = a011531_list !! (n-1)

a011531_list = filter ((elem '1') . show) [0..]

-- Reinhard Zumkeller, Feb 05 2012

CROSSREFS

Cf. A121041, A121022, A121023, A121024, A121025, A121026, A121027, A121028, A121029, A121030, A121031, A121032, A121033, A121034, A121035, A121036, A121037, A121038, A121039, A121040.

Cf. A062634 is a subsequence.

Sequence in context: A063662 A069715 A008716 * A070839 A161561 A007959

Adjacent sequences:  A011528 A011529 A011530 * A011532 A011533 A011534

KEYWORD

nonn,base,changed

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 17 20:50 EST 2012. Contains 206085 sequences.