Numbers k such that the sum of the first k primes is prime and the sum of the squares of the first k primes is also prime.
A124225
Numbers k such that the sum of the first k primes is prime and the sum of the squares of the first k primes is also prime.
Terms
- a(0) =2a(1) =158a(2) =192a(3) =216a(4) =356a(5) =426a(6) =548a(7) =680a(8) =1178a(9) =1196a(10) =1466a(11) =1500a(12) =1524a(13) =2324a(14) =2438a(15) =2904a(16) =2990a(17) =3060a(18) =3146a(19) =3618a(20) =3902a(21) =4110a(22) =4134a(23) =4346a(24) =4602a(25) =5790a(26) =5840a(27) =6186a(28) =6344a(29) =6710
External references
- oeis: A124225