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A225443 Digits of the 10-adic integer (-1/9)^(1/7). 4
1, 3, 0, 1, 9, 1, 8, 7, 3, 0, 2, 4, 3, 2, 5, 8, 3, 2, 4, 7, 4, 4, 6, 5, 6, 9, 7, 2, 5, 7, 7, 4, 8, 4, 4, 0, 8, 4, 1, 3, 1, 9, 8, 3, 1, 7, 7, 8, 4, 2, 0, 6, 9, 6, 8, 6, 6, 0, 0, 1, 7, 0, 9, 8, 8, 6, 6, 0, 7, 2, 1, 3, 3, 5, 9, 7, 3, 3, 7, 3, 9, 4, 5, 4, 5, 2, 3, 7, 6, 7, 3, 5, 5, 3, 7, 7, 3, 3, 7, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Seiichi Manyama, Table of n, a(n) for n = 0..10000

EXAMPLE

       1^7 == 1      (mod 10).

      31^7 == 11     (mod 10^2).

      31^7 == 111    (mod 10^3).

    1031^7 == 1111   (mod 10^4).

   91031^7 == 11111  (mod 10^5).

  191031^7 == 111111 (mod 10^6).

PROG

(PARI) n=0; for(i=1, 100, m=(10^i-1)/9; for(x=0, 9, if(((n+(x*10^(i-1)))^7)%(10^i)==m, n=n+(x*10^(i-1)); print1(x", "); break)))

(PARI) Vecrev(digits(truncate((-1/9+O(10^100))^(1/7)))) \\ Seiichi Manyama, Aug 04 2019

(PARI) N=100; Vecrev(digits(lift(chinese(Mod((-1/9+O(2^N))^(1/7), 2^N), Mod((-1/9+O(5^N))^(1/7), 5^N)))), N) \\ Seiichi Manyama, Aug 04 2019

CROSSREFS

Digits of 10-adic integers:

A225446 (    9^(1/7));

A225449 ( (-9)^(1/7));

A225452 ((1/9)^(1/7)).

Sequence in context: A099097 A152150 A136239 * A222060 A256549 A211608

Adjacent sequences:  A225440 A225441 A225442 * A225444 A225445 A225446

KEYWORD

nonn,base

AUTHOR

Aswini Vaidyanathan, May 11 2013

STATUS

approved

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Last modified October 15 03:09 EDT 2019. Contains 328025 sequences. (Running on oeis4.)