Sum of the 7th powers of the odd proper divisors of n.

Terms

a(0) =0a(1) =1a(2) =1a(3) =1a(4) =1a(5) =2188a(6) =1a(7) =1a(8) =2188a(9) =78126a(10) =1a(11) =2188a(12) =1a(13) =823544a(14) =80313a(15) =1a(16) =1a(17) =4785157a(18) =1a(19) =78126a(20) =825731a(21) =19487172a(22) =1a(23) =2188a(24) =78126a(25) =62748518a(26) =4785157a(27) =823544a(28) =1a(29) =170939688