Primes p such that the left prime neighbors p1, p2 of p as well as the right prime neighbors q1, q2 of p form twin prime pairs and the sum p1 + p2 + p + q1 + q2 is also prime.
A138396
Primes p such that the left prime neighbors p1, p2 of p as well as the right prime neighbors q1, q2 of p form twin prime pairs and the sum p1 + p2 + p + q1 + q2 is also prime.
Terms
- a(0) =37a(1) =67a(2) =277a(3) =1297a(4) =1307a(5) =1613a(6) =2099a(7) =2333a(8) =3533a(9) =3571a(10) =5507a(11) =8849a(12) =9029a(13) =10061a(14) =10289a(15) =13697a(16) =14621a(17) =17203a(18) =18013a(19) =18127a(20) =22613a(21) =23053a(22) =28559a(23) =30859a(24) =37357a(25) =39233a(26) =47407a(27) =47681a(28) =49537a(29) =49999
External references
- oeis: A138396