%I A057791
%S A057791 1,1,3,4,22,6,209,376,1835,2540,49863,94944,1151914,2190666,12079274,
%T A057791 95722288,1150653920,3217888350,47454745803,130819911320,846278385786,
%U A057791 8064305838350,126356632390297,288019285668096,6861189820377586
%N A057791 Sum[k^(n-k)], where sum is over positive integers, k, where k <= n and 
               GCD(k,n) = 1.
%H A057791 Leroy Quet, <a href="http://www.prism-of-spirals.net/">Home Page</a> 
               (listed in lieu of email address)
%e A057791 a(8) = 1^7 + 3^5 + 5^3 + 7^1 = 376, since 1, 3, 5 and 7 are the positive 
               integers relatively prime to 8 and <= 8.
%Y A057791 Sequence in context: A012123 A012255 A012247 this_sequence A122660 A163744 
               A042595
%Y A057791 Adjacent sequences: A057788 A057789 A057790 this_sequence A057792 A057793 
               A057794
%K A057791 nonn
%O A057791 1,3
%A A057791 Leroy Quet Nov 04 2000