For each prime p take the sum of nonprimes < p.

Terms

a(0) =1a(1) =1a(2) =5a(3) =11a(4) =38a(5) =50a(6) =95a(7) =113a(8) =176a(9) =306a(10) =336a(11) =506a(12) =623a(13) =665a(14) =800a(15) =1050a(16) =1330a(17) =1390a(18) =1710a(19) =1917a(20) =1989a(21) =2369a(22) =2612a(23) =3042a(24) =3693a(25) =3990a(26) =4092a(27) =4407a(28) =4515a(29) =4848