s(1)t(n) + s(2)t(n-1) + ... + s(k)t(n-k+1), where k = [ n/2 ], s = A023532, t = (primes).

Terms

a(0) =3a(1) =5a(2) =7a(3) =11a(4) =20a(5) =28a(6) =43a(7) =53a(8) =65a(9) =73a(10) =106a(11) =120a(12) =153a(13) =177a(14) =220a(15) =246a(16) =270a(17) =300a(18) =353a(19) =381a(20) =454a(21) =484a(22) =559a(23) =601a(24) =686a(25) =732a(26) =780a(27) =822a(28) =917a(29) =979