a(n) = prime(n) times the n-th nonnegative noncomposite.

Terms

a(0) =0a(1) =3a(2) =10a(3) =21a(4) =55a(5) =91a(6) =187a(7) =247a(8) =391a(9) =551a(10) =713a(11) =1073a(12) =1271a(13) =1591a(14) =1927a(15) =2279a(16) =2773a(17) =3233a(18) =3953a(19) =4331a(20) =4891a(21) =5609a(22) =6059a(23) =7031a(24) =8051a(25) =8989a(26) =9991a(27) =10807a(28) =11227a(29) =12091