Numbers k such that the square part of k is one greater than the squarefree part of k.

Terms

a(0) =12a(1) =240a(2) =1260a(3) =20592a(4) =38220a(5) =65280a(6) =104652a(7) =159600a(8) =233772a(9) =809100a(10) =1047552a(11) =1335180a(12) =1678320a(13) =2083692a(14) =2558400a(15) =3109932a(16) =7308912a(17) =8500140a(18) =9831360a(19) =11313132a(20) =12956400a(21) =18970380a(22) =21376752a(23) =24005100a(24) =26868672a(25) =37008972a(26) =49780080