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Search: id:A037645
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A037645 Base 10 digits are, in order, the first n terms of the periodic sequence with initial period 2,3,1. +0
1
2, 23, 231, 2312, 23123, 231231, 2312312, 23123123, 231231231, 2312312312, 23123123123, 231231231231, 2312312312312, 23123123123123, 231231231231231, 2312312312312312 (list; graph; listen)
OFFSET

1,1

FORMULA

a(n)=10*a(n-1)+(n mod 3)+1, with a(0)=0 [From Paolo P. Lava (ppl(AT)spl.at), Jul 30 2009]

CROSSREFS

Sequence in context: A037631 A026075 A037757 this_sequence A100893 A065122 A127889

Adjacent sequences: A037642 A037643 A037644 this_sequence A037646 A037647 A037648

KEYWORD

nonn,base

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified December 5 23:38 EST 2009. Contains 170428 sequences.


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