A055157 - OEIS

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A055157

n has distinct digits and n=a-b where a has the digits of n in descending order and b has the digits of n in ascending order (perhaps with leading zeros).

495, 6174, 97508421, 864197532, 9753086421 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,1`
	REFERENCES	`Dennis Borris, Ken Duisenberg's Puzzle of the Week, April 20, 2000`
	LINKS	`Source`
	FORMULA	`a(n)=A055158(n)-A055159(n)`
	EXAMPLE	`495=954-459`
	CROSSREFS	`Cf. A055160.` `Sequence in context: A151957 A099009 A055160 * A027808 A104478 A133352` `Adjacent sequences: A055154 A055155 A055156 * A055158 A055159 A055160`
	KEYWORD	`nonn,base`
	AUTHOR	`Henry Bottomley (se16(AT)btinternet.com), Apr 27 2000`

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Last modified February 17 07:41 EST 2012. Contains 205998 sequences.