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A127859 a(n)=r(A127858(n)) where A127858 is the sequence of positive integers with the property that r(n^2)=r(n)^2 and where r if the cyclic replacement map of the digits d of n in base 12 defined by d->d+1 if d<11 and d->0 if d=11. +0
6
7, 79, 943, 11311, 135727, 1628719, 19544623, 234535471, 2814425647, 33773107759 (list; graph; listen)
OFFSET

1,1

COMMENT

In base 12 the sequence is 7, 67, 667, 6667, 66667, 666667, 6666667, 66666667, 666666667, 6666666667.

EXAMPLE

a(2)=66 since, in base 12, 66=56, r(56)=67 and r(56^2)=r(2630)=3741=67^2.

In base 12, a(2)=r(A127858(2))=r(56)=67. In base 10, 67 is 79.

CROSSREFS

Cf. A117755, A127856, A127857, A127858, A127860, A127861.

Cf. A117755, A127856, A127857, A127858, A127860, A127861.

Sequence in context: A104094 A036950 A127890 this_sequence A014293 A112700 A098105

Adjacent sequences: A127856 A127857 A127858 this_sequence A127860 A127861 A127862

KEYWORD

fini,nonn,base

AUTHOR

Walter A. Kehowski (wkehowski(AT)cox.net), Feb 04 2007

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.


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