Sum of n consecutive primes starting at a(n) is prime (or 0 if impossible).

Terms

a(0) =2a(1) =2a(2) =5a(3) =2a(4) =5a(5) =2a(6) =17a(7) =0a(8) =3a(9) =0a(10) =5a(11) =2a(12) =29a(13) =2a(14) =3a(15) =0a(16) =3a(17) =0a(18) =11a(19) =0a(20) =7a(21) =0a(22) =7a(23) =0a(24) =5a(25) =0a(26) =7a(27) =0a(28) =13a(29) =0