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A055161 n has digits in descending order and n=a+b where a has the digits of n in another order and b has the digits of n in ascending order (perhaps with leading zeros). 5
954, 7641, 995544, 766431, 76664331, 98754210, 987654321, 999555444, 7666643331, 9876543210, 9987542100, 98766543321, 766666433331, 987665433210, 998765432100, 999875421000, 999955554444, 9876665433321 (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..17.

Source

FORMULA

a(n)= A055160(n)+A055162(n)

EXAMPLE

954=495+459

CROSSREFS

Cf. A055158.

Sequence in context: A073500 A121969 A203024 * A055158 A187635 A076528

Adjacent sequences:  A055158 A055159 A055160 * A055162 A055163 A055164

KEYWORD

base,nonn

AUTHOR

Henry Bottomley, Apr 27 2000

STATUS

approved

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Last modified July 25 06:42 EDT 2017. Contains 289779 sequences.