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A225796 a(1) = 1, a(n) = least proper multiple of a(n-1) which is a concatenation of two or more successive numbers. 2
1, 12, 456, 415416, 194191194192, 3816727961538167279616, 35270249819024056401913527024981902405640192 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Paul Tek, Table of n, a(n) for n = 1..11

Paul Tek, PARI program for this sequence

EXAMPLE

12 is the least proper multiple of 1 in A035333, hence a(2)=12.

456 is the least proper multiple of 12 in A035333, hence a(3)=456.

PROG

(PARI) See Links section.

CROSSREFS

Cf. A035333, A094333.

Sequence in context: A239365 A277262 A226358 * A112363 A221032 A221496

Adjacent sequences:  A225793 A225794 A225795 * A225797 A225798 A225799

KEYWORD

nonn,base

AUTHOR

Paul Tek, Jul 27 2013

STATUS

approved

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Last modified October 16 08:03 EDT 2018. Contains 316259 sequences. (Running on oeis4.)