a(n) = n^5 * Sum_{d^2|n} 1 / d^5.

Terms

a(0) =1a(1) =32a(2) =243a(3) =1056a(4) =3125a(5) =7776a(6) =16807a(7) =33792a(8) =59292a(9) =100000a(10) =161051a(11) =256608a(12) =371293a(13) =537824a(14) =759375a(15) =1082368a(16) =1419857a(17) =1897344a(18) =2476099a(19) =3300000a(20) =4084101a(21) =5153632a(22) =6436343a(23) =8211456a(24) =9768750a(25) =11881376a(26) =14407956a(27) =17748192a(28) =20511149a(29) =24300000