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%I #10 May 30 2022 21:05:32
%S 0,81,729,6561,59049,531441,4782969,43046721,0,486784401,727739626,
%T 3801397473,7390478182,5013665073,26942641524,68218142337,50040016962,
%U 127461340881,20157955560,179056928801,95734214766,798384194161
%N a(n) = 9^n mod n^9.
%H Harry J. Smith, <a href="/A066431/b066431.txt">Table of n, a(n) for n = 1..500</a>
%t Table[ Mod[ 9^n, n^9], {n, 1, 30} ]
%t Table[PowerMod[9,n,n^9],{n,30}] (* _Harvey P. Dale_, May 30 2022 *)
%o (PARI) { for (n=1, 500, write("b066431.txt", n, " ", 9^n % n^9) ) } \\ _Harry J. Smith_, Feb 13 2010
%K nonn
%O 1,2
%A _Robert G. Wilson v_, Dec 27 2001
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