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A216103 [3^(5*10^(n+1)) mod 10^(2n+3) - 1]/(10^(2n+2)) mod 10. 1
1, 6, 7, 2, 3, 9, 3, 1, 2, 2, 4, 0, 4, 0, 0, 4, 6, 6, 4, 3, 5, 2, 4, 7, 5, 6, 9, 1, 7, 6, 4, 2, 8, 8, 2, 4, 2, 4, 6, 5, 5, 1, 1, 9, 9, 0, 0, 5, 4, 7, 1, 6, 5, 3, 3, 1, 9, 0, 0, 3, 8, 5, 3, 6, 3, 8, 5, 5, 1, 4, 4, 3, 8, 0, 8, 9, 4, 0, 5, 1, 2, 8, 7, 7, 0, 4, 5, 2, 5, 2, 7, 3, 1, 1, 8, 5 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

3^500 ends in 7610001

3^5000 ends in 276100001

3^50000 ends in 32761000001

3^500000 ends in 9327610000001

The last digits before the zeros are converging to the present sequence.

LINKS

Table of n, a(n) for n=1..96.

CROSSREFS

Cf. A007185, A016090, A091663, A018248, A091664, A018247.

A216102 gives the 10's-complement.

Sequence in context: A021941 A171654 A197916 * A198823 A219733 A070059

Adjacent sequences:  A216100 A216101 A216102 * A216104 A216105 A216106

KEYWORD

nonn,base

AUTHOR

V. Raman, Sep 01 2012

STATUS

approved

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Last modified October 15 04:33 EDT 2019. Contains 328026 sequences. (Running on oeis4.)