%I #9 Feb 06 2022 02:15:38
%S 0,1,1,128,1,2315,1,16384,2187,78253,1,296320,1,823671,80312,2097152,
%T 1,5062905,1,10016384,825730,19487299,1,37928960,78125,62748645,
%U 4782969,105429888,1,181139311,1,268435456,19489358,410338801,901668,648051840,1,893871867,62750704
%N a(n) = n^7 * Sum_{p|n, p prime} 1/p^7.
%H Seiichi Manyama, <a href="/A351247/b351247.txt">Table of n, a(n) for n = 1..10000</a>
%F a(A000040(n)) = 1.
%e a(6) = 2315; a(6) = 6^7 * Sum_{p|6, p prime} 1/p^7 = 279936 * (1/2^7 + 1/3^7) = 2315.
%Y Sequences of the form n^k * Sum_{p|n, p prime} 1/p^k for k = 0..10: A001221 (k=0), A069359 (k=1), A322078 (k=2), A351242 (k=3), A351244 (k=4), A351245 (k=5), A351246 (k=6), this sequence (k=7), A351248 (k=8), A351249 (k=9), A351262 (k=10).
%Y Cf. A000040.
%K nonn
%O 1,4
%A _Wesley Ivan Hurt_, Feb 05 2022