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A268610 Indices of records in A004290. 1
1, 2, 3, 6, 9, 18, 36, 72, 99, 198, 396, 792, 999, 1998, 3996, 7992, 9999, 10989, 19998, 21978, 39996, 43956, 76923, 99999, 199998 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

a(n+1) <= 2*a(n) for all n >= 1.

LINKS

Table of n, a(n) for n=1..25.

EXAMPLE

6 is a term because A004290(n) < A004290(6) for all n < 6, where A004290(n) is the least positive multiple of n that when written in base 10 uses only 0's and 1's.

CROSSREFS

Cf. A004290, A268609. Subsequence of A007088.

Sequence in context: A085431 A108862 A298413 * A018582 A018619 A018638

Adjacent sequences:  A268607 A268608 A268609 * A268611 A268612 A268613

KEYWORD

nonn,base,more

AUTHOR

David Radcliffe, Feb 08 2016

STATUS

approved

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Last modified February 19 15:01 EST 2018. Contains 299334 sequences. (Running on oeis4.)