Sum of the 6th powers of the squarefree divisors of n.

Terms

a(0) =1a(1) =65a(2) =730a(3) =65a(4) =15626a(5) =47450a(6) =117650a(7) =65a(8) =730a(9) =1015690a(10) =1771562a(11) =47450a(12) =4826810a(13) =7647250a(14) =11406980a(15) =65a(16) =24137570a(17) =47450a(18) =47045882a(19) =1015690a(20) =85884500a(21) =115151530a(22) =148035890a(23) =47450a(24) =15626a(25) =313742650a(26) =730a(27) =7647250a(28) =594823322a(29) =741453700