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Search: id:A156641
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A156641 a(n) = 13*[(100^(n+1)-1)/99] +0
1
13, 1313, 131313, 13131313, 1313131313, 131313131313, 13131313131313, 1313131313131313, 131313131313131313, 13131313131313131313, 1313131313131313131313, 131313131313131313131313 (list; graph; listen)
OFFSET

1,1

EXAMPLE

For n=0, a(0)=13; n=1, a(1)=1313; n=2, a(2)=131313; n=3, a(3)=13131313

CROSSREFS

Cf. A094028

Sequence in context: A076481 A128897 A091781 this_sequence A064962 A066457 A166929

Adjacent sequences: A156638 A156639 A156640 this_sequence A156642 A156643 A156644

KEYWORD

nonn

AUTHOR

Vincenzo Librandi (vincenzo.librandi(AT)tin.it), Feb 15 2009

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Last modified December 4 15:11 EST 2009. Contains 170347 sequences.


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