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A228822 Largest digit of n minus the number of digits of n. 0
-1, 0, 1, 2, 3, 4, 5, 6, 7, 8, -1, -1, 0, 1, 2, 3, 4, 5, 6, 7, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 1, 1, 1, 1, 2, 3, 4, 5, 6, 7, 2, 2, 2, 2, 2, 3, 4, 5, 6, 7, 3, 3, 3, 3, 3, 3, 4, 5, 6, 7, 4, 4, 4, 4, 4, 4, 4, 5, 6, 7, 5, 5, 5, 5, 5, 5, 5, 5, 6, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, -2 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

COMMENTS

The last positive term is a(10^8-1) = a(99999999) = 1.

The last nonnegative term is a(10^9-1) = a(999999999) = 0.

The number of negative terms is infinite.

LINKS

Table of n, a(n) for n=0..100.

FORMULA

a(n) = A054055(n) - A055642(n).

EXAMPLE

-------------------------------

.   Largest   Number

n    digit   of digits    a(n)

-------------------------------

9      9        1          8

10     1        2         -1

11     1        2         -1

12     2        2          0

13     3        2          1

...

CROSSREFS

Cf. A054055, A055642.

Sequence in context: A256289 A031076 A321999 * A255829 A277547 A190598

Adjacent sequences:  A228819 A228820 A228821 * A228823 A228824 A228825

KEYWORD

sign,base,easy

AUTHOR

Omar E. Pol, Sep 04 2013

STATUS

approved

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Last modified February 22 09:43 EST 2019. Contains 320390 sequences. (Running on oeis4.)