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A072543 Numbers whose largest decimal digit is also the initial digit. 4
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 20, 21, 22, 30, 31, 32, 33, 40, 41, 42, 43, 44, 50, 51, 52, 53, 54, 55, 60, 61, 62, 63, 64, 65, 66, 70, 71, 72, 73, 74, 75, 76, 77, 80, 81, 82, 83, 84, 85, 86, 87, 88, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 110, 111, 200, 201 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

A054055(a(n)) = A000030(a(n));

the sequence differs from A009996, A032873 and A032907: a(66)=101 is not in A009996, a(67)=110 is not in A032873 and a(65)=100 is not in A032907.

LINKS

_Reinhard Zumkeller_, Table of n, a(n) for n = 1..10000

PROG

(Haskell)

a072543 n = a072543_list !! (n-1)

a072543_list = [x | x <- [0..], a054055 x == a000030 x]

-- Reinhard Zumkeller, Apr 25 2012

CROSSREFS

Cf. A072544.

Sequence in context: A130571 A084383 A032873 * A009996 A032907 A130576

Adjacent sequences:  A072540 A072541 A072542 * A072544 A072545 A072546

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller, Aug 04 2002

EXTENSIONS

Offset corrected by Reinhard Zumkeller, Apr 25 2012

STATUS

approved

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Last modified May 18 21:01 EDT 2013. Contains 225428 sequences.