Sum of squares of unitary divisors of n.

Terms

a(0) =1a(1) =5a(2) =10a(3) =17a(4) =26a(5) =50a(6) =50a(7) =65a(8) =82a(9) =130a(10) =122a(11) =170a(12) =170a(13) =250a(14) =260a(15) =257a(16) =290a(17) =410a(18) =362a(19) =442a(20) =500a(21) =610a(22) =530a(23) =650a(24) =626a(25) =850a(26) =730a(27) =850a(28) =842a(29) =1300