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A055159 n has distinct digits in ascending order and n=a-b where a has the digits of n in descending order and b has the digits of n in another order (a and b perhaps with extra zeros). 3
459, 1467, 1245789, 123456789, 123456789 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

REFERENCES

Denis Borris, Ken Duisenberg's Puzzle of the Week, April 20, 2000

LINKS

Table of n, a(n) for n=0..4.

Source

FORMULA

a(n)=A055158(n)-A055157(n)

EXAMPLE

459=954-495

CROSSREFS

Cf. A055162.

Sequence in context: A224456 A121970 A055162 * A124694 A227754 A253527

Adjacent sequences:  A055156 A055157 A055158 * A055160 A055161 A055162

KEYWORD

fini,full,base,nonn

AUTHOR

Henry Bottomley, Apr 27 2000

STATUS

approved

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Last modified November 17 00:08 EST 2019. Contains 329209 sequences. (Running on oeis4.)