Lucky numbers that are the sum of the first k primes for some k.

Terms

a(0) =129a(1) =639a(2) =2127a(3) =2427a(4) =4227a(5) =5589a(6) =6601a(7) =10191a(8) =11599a(9) =17283a(10) =18189a(11) =19113a(12) =22039a(13) =24133a(14) =25237a(15) =34915a(16) =43201a(17) =50887a(18) =54169a(19) =62797a(20) =74139a(21) =109147a(22) =148827a(23) =166551a(24) =169605a(25) =236673a(26) =307911a(27) =329401a(28) =374959a(29) =393961