OFFSET
0,2
COMMENTS
x = ...612123123752627210431674758928842961.
x^7 = ...987654321987654321987654321987654321.
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..10000
EXAMPLE
1^7 == 1 (mod 10).
61^7 == 21 (mod 10^2).
961^7 == 321 (mod 10^3).
2961^7 == 4321 (mod 10^4).
42961^7 == 54321 (mod 10^5).
842961^7 == 654321 (mod 10^6).
8842961^7 == 7654321 (mod 10^7).
28842961^7 == 87654321 (mod 10^8).
928842961^7 == 987654321 (mod 10^9).
PROG
(PARI) N=100; M=987654321/(1-10^9); Vecrev(digits(lift(chinese(Mod((M+O(2^N))^(1/7), 2^N), Mod((M+O(5^N))^(1/7), 5^N)))), N)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Seiichi Manyama, Aug 18 2019
STATUS
approved