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A072712 Numbers n such that n divides the (right) concatenation of all numbers from 1 to n written in base 10 (most significant digit on left) where n is prime only. 0
2, 3, 5, 8167, 371321 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Right concatenation, normal order.

EXAMPLE

n=17 is not a term since 1234567891011121314151617 is not divisible by 17

CROSSREFS

Cf. A029447-A029470, A029471-A029494, A029495-A029518, A029519-A029542, A061931-A061954, A061955-A061978.

Sequence in context: A056146 A115835 A089678 * A046476 A175309 A193888

Adjacent sequences:  A072709 A072710 A072711 * A072713 A072714 A072715

KEYWORD

base,more,nonn

AUTHOR

Jeff Heleen (meriaden(AT)hotmail.com), Aug 07 2002

EXTENSIONS

Another term from Jeff Heleen (meriaden(AT)hotmail.com), Oct 11 2009

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Last modified February 15 09:13 EST 2012. Contains 205750 sequences.