OFFSET
0,1
LINKS
Seiichi Manyama, Table of n, a(n) for n = 0..10000
EXAMPLE
7^7 == 3 (mod 10).
37^7 == 33 (mod 10^2).
437^7 == 333 (mod 10^3).
7437^7 == 3333 (mod 10^4).
57437^7 == 33333 (mod 10^5).
257437^7 == 333333 (mod 10^6).
PROG
(PARI) n=0; for(i=1, 100, m=(10^i-1)/3; for(x=0, 9, if(((n+(x*10^(i-1)))^7)%(10^i)==m, n=n+(x*10^(i-1)); print1(x", "); break)))
(PARI) N=100; Vecrev(digits(lift(chinese(Mod((-1/3+O(2^N))^(1/7), 2^N), Mod((-1/3+O(5^N))^(1/7), 5^N)))), N) \\ Seiichi Manyama, Aug 06 2019
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Aswini Vaidyanathan, May 11 2013
STATUS
approved