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A060555 String together the first n numbers in an order which minimizes the result. 1
1, 12, 123, 1234, 12345, 123456, 1234567, 12345678, 123456789, 10123456789, 1011123456789, 101111223456789, 10111121323456789, 1011112131423456789, 101111213141523456789, 10111121314151623456789 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

COMMENTS

If n is a power of 10 then put it at the end, if it is a repdigit then put it before floor[n/10], otherwise put it before (n-1).

CROSSREFS

Cf. A000422, A060554.

Sequence in context: A035239 A057137 A014824 * A138957 A007908 A057932

Adjacent sequences:  A060552 A060553 A060554 * A060556 A060557 A060558

KEYWORD

base,easy,nonn

AUTHOR

Henry Bottomley (se16(AT)btinternet.com), Apr 02 2001

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Last modified February 15 15:20 EST 2012. Contains 205823 sequences.