n times the n-th noncomposite.

Terms

a(0) =1a(1) =4a(2) =9a(3) =20a(4) =35a(5) =66a(6) =91a(7) =136a(8) =171a(9) =230a(10) =319a(11) =372a(12) =481a(13) =574a(14) =645a(15) =752a(16) =901a(17) =1062a(18) =1159a(19) =1340a(20) =1491a(21) =1606a(22) =1817a(23) =1992a(24) =2225a(25) =2522a(26) =2727a(27) =2884a(28) =3103a(29) =3270