a(n) = Sum_{k=1..n} (A000330(n) mod k^2).

Terms

a(0) =0a(1) =1a(2) =7a(3) =19a(4) =16a(5) =50a(6) =106a(7) =66a(8) =174a(9) =233a(10) =144a(11) =210a(12) =501a(13) =277a(14) =504a(15) =965a(16) =984a(17) =893a(18) =1566a(19) =1946a(20) =1691a(21) =2224a(22) =2586a(23) =1694a(24) =2713a(25) =2992a(26) =2205a(27) =4055a(28) =4778a(29) =4726