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A309826 Digits of the 10-adic integer (2345678987654321/(1-10^16))^(1/9). 4
1, 8, 8, 0, 4, 8, 4, 1, 9, 9, 2, 7, 6, 6, 8, 8, 6, 9, 3, 6, 4, 4, 0, 1, 1, 5, 8, 7, 2, 4, 6, 0, 9, 4, 0, 7, 1, 6, 3, 9, 4, 2, 5, 3, 3, 9, 9, 5, 1, 1, 4, 6, 3, 0, 7, 6, 8, 7, 1, 4, 8, 8, 2, 7, 8, 0, 3, 7, 3, 8, 0, 2, 9, 5, 1, 4, 4, 5, 3, 5, 8, 3, 1, 8, 7, 9, 8, 8, 7, 8, 6, 5, 2, 7, 4, 5, 6, 2, 2, 7 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

COMMENTS

x   = ...906427851104463968866729914840881.

x^9 = ...123456789876543212345678987654321.

LINKS

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

EXAMPLE

                  1^9 == 1                 (mod 10).

                 81^9 == 21                (mod 10^2).

                881^9 == 321               (mod 10^3).

                881^9 == 4321              (mod 10^4).

              40881^9 == 54321             (mod 10^5).

             840881^9 == 654321            (mod 10^6).

            4840881^9 == 7654321           (mod 10^7).

           14840881^9 == 87654321          (mod 10^8).

          914840881^9 == 987654321         (mod 10^9).

         9914840881^9 == 8987654321        (mod 10^10).

        29914840881^9 == 78987654321       (mod 10^11).

       729914840881^9 == 678987654321      (mod 10^12).

      6729914840881^9 == 5678987654321     (mod 10^13).

     66729914840881^9 == 45678987654321    (mod 10^14).

    866729914840881^9 == 345678987654321   (mod 10^15).

   8866729914840881^9 == 2345678987654321  (mod 10^16).

  68866729914840881^9 == 12345678987654321 (mod 10^17).

PROG

(PARI) N=100; M=2345678987654321/(1-10^16); Vecrev(digits(lift(chinese(Mod((M+O(2^N))^(1/9), 2^N), Mod((M+O(5^N))^(1/9), 5^N)))), N)

CROSSREFS

Digits of the 10-adic integer (2345678987654321/(1-10^16))^(1/k): A309824 (k=3), A309825 (k=7), this sequence (k=9).

Cf. A309820.

Sequence in context: A113809 A231097 A309820 * A321096 A243508 A144802

Adjacent sequences:  A309823 A309824 A309825 * A309827 A309828 A309829

KEYWORD

nonn,base

AUTHOR

Seiichi Manyama, Aug 18 2019

STATUS

approved

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Last modified June 18 15:19 EDT 2021. Contains 345120 sequences. (Running on oeis4.)