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A225446
Digits of the 10-adic integer 9^(1/7).
4
9, 2, 1, 7, 4, 9, 7, 9, 3, 5, 3, 7, 1, 0, 8, 5, 2, 9, 1, 0, 5, 5, 6, 4, 6, 0, 5, 0, 3, 6, 4, 7, 4, 2, 7, 6, 0, 5, 0, 5, 1, 1, 8, 9, 9, 5, 1, 5, 8, 5, 1, 4, 5, 0, 0, 7, 7, 2, 8, 0, 7, 7, 7, 4, 8, 3, 6, 2, 7, 7, 9, 9, 1, 0, 4, 7, 0, 9, 0, 3, 0, 5, 1, 1, 1, 7, 5, 6, 3, 3, 2, 0, 1, 1, 7, 9, 5, 6, 0, 9
OFFSET
0,1
LINKS
EXAMPLE
9^7 == 9 (mod 10).
29^7 == 9 (mod 10^2).
129^7 == 9 (mod 10^3).
7129^7 == 9 (mod 10^4).
47129^7 == 9 (mod 10^5).
947129^7 == 9 (mod 10^6).
PROG
(PARI) n=0; for(i=1, 100, m=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(-(-9+O(10^100))^(1/7)))) \\ Seiichi Manyama, Aug 04 2019
(PARI) N=100; Vecrev(digits(lift(chinese(Mod((9+O(2^N))^(1/7), 2^N), Mod((9+O(5^N))^(1/7), 5^N)))), N) \\ Seiichi Manyama, Aug 04 2019
CROSSREFS
Digits of 10-adic integers:
A225443 ((-1/9)^(1/7));
A225449 ( (-9)^(1/7));
A225452 ( (1/9)^(1/7)).
Sequence in context: A118322 A199507 A230156 * A277559 A154993 A197488
KEYWORD
nonn,base
AUTHOR
Aswini Vaidyanathan, May 11 2013
STATUS
approved