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A055158 n has distinct 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). 3
954, 7641, 98754210, 987654321, 9876543210 (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)= A055157(n)+A055159(n)

EXAMPLE

954=495+459

CROSSREFS

Cf. A055161.

Sequence in context: A121969 A203024 A055161 * A187635 A076528 A260067

Adjacent sequences:  A055155 A055156 A055157 * A055159 A055160 A055161

KEYWORD

fini,full,base,nonn

AUTHOR

Henry Bottomley, Apr 27 2000

STATUS

approved

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Last modified May 26 07:30 EDT 2017. Contains 287093 sequences.