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A114879 Numbers n coprime to 3 such that there exists an (n-1)-digit ternary number wherein each substring is indivisible by n. 0
2, 4, 5, 10, 20, 37 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

a(7) > 64

EXAMPLE

20 is there because each substring of 1121212211122121211 (base 3) is indivisible by 20.

CROSSREFS

Cf. A114880, A114942, A114943, A114944, A114908, A114909, A114910, A114911, A114922.

Sequence in context: A018489 A018530 A018554 * A018620 A018664 A018688

Adjacent sequences:  A114876 A114877 A114878 * A114880 A114881 A114882

KEYWORD

nonn,base

AUTHOR

Don Reble (djr(AT)nk.ca), Feb 17 2006

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Last modified February 17 17:51 EST 2012. Contains 206061 sequences.