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A068860 a(1) = 1; a(n+1) is the smallest number > a(n) which differs from it at every digit. 3
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 21, 30, 41, 50, 61, 70, 81, 90, 101, 210, 301, 410, 501, 610, 701, 810, 901, 1010, 2101, 3010, 4101, 5010, 6101, 7010, 8101, 9010, 10101, 21010, 30101, 41010, 50101, 61010, 70101, 81010, 90101, 101010, 210101 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..47.

EXAMPLE

After 90 the next member is 101 which differs at each digit position.

CROSSREFS

Cf. A068861.

Sequence in context: A068861 A256079 A216556 * A158699 A247107 A061511

Adjacent sequences:  A068857 A068858 A068859 * A068861 A068862 A068863

KEYWORD

nonn,base

AUTHOR

Amarnath Murthy, Mar 13 2002

STATUS

approved

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Last modified October 17 22:05 EDT 2019. Contains 328134 sequences. (Running on oeis4.)