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A178914 10's complement of nonnegative numbers. 1
10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 90, 89, 88, 87, 86, 85, 84, 83, 82, 81, 80, 79, 78, 77, 76, 75, 74, 73, 72, 71, 70, 69, 68, 67, 66, 65, 64, 63, 62, 61, 60, 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, 49, 48, 47, 46, 45, 44, 43, 42, 41, 40, 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, 29, 28 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

Apart from the initial a(0) a duplicate of A089186. [From R. J. Mathar, Jun 25 2010]

LINKS

Table of n, a(n) for n=0..72.

FORMULA

a(n) = 10^k - n where k is the number of digits in n.

EXAMPLE

a(11) = 10's complement of 11 = 89

MATHEMATICA

Join[{10}, Table[10^IntegerLength[n]-n, {n, 80}]] (* Harvey P. Dale, Feb 06 2015 *)

CROSSREFS

Sequence in context: A023452 A052036 A304622 * A143473 A055121 A249591

Adjacent sequences:  A178911 A178912 A178913 * A178915 A178916 A178917

KEYWORD

base,easy,nonn

AUTHOR

Amarnath Murthy, Jun 23 2010

STATUS

approved

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Last modified November 15 19:54 EST 2018. Contains 317240 sequences. (Running on oeis4.)