Composite squarefree numbers k = Product_{i} p_i such that k^2 is divisible by Sum_{i} p_i^2.

Terms

a(0) =5642a(1) =9758a(2) =15402a(3) =51051a(4) =72105a(5) =73815a(6) =113883a(7) =134805a(8) =149226a(9) =202895a(10) =270655a(11) =352495a(12) =443555a(13) =552958a(14) =627095a(15) =650845a(16) =831369a(17) =831831a(18) =841269a(19) =870870a(20) =881705a(21) =956242a(22) =1000110a(23) =1088255a(24) =1135290a(25) =1255110a(26) =1255215a(27) =1418395a(28) =1447095a(29) =1455762