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Search: id:A055161
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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). +0
6
954, 7641, 995544, 766431, 76664331, 98754210, 987654321, 999555444, 7666643331, 9876543210, 9987542100, 98766543321, 766666433331, 987665433210, 998765432100, 999875421000, 999955554444, 9876665433321 (list; graph; listen)
OFFSET

0,1

REFERENCES

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

LINKS

Source

FORMULA

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

EXAMPLE

954=495+459

CROSSREFS

Cf. A055158.

Sequence in context: A048267 A073500 A121969 this_sequence A055158 A076528 A031903

Adjacent sequences: A055158 A055159 A055160 this_sequence A055162 A055163 A055164

KEYWORD

base,nonn

AUTHOR

Henry Bottomley (se16(AT)btinternet.com), Apr 27 2000

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


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