Ennea-Primes. Prime Numbers n (single prime number in-between 8 twin primes) such that Sum of 9 prime numbers (8 twin primes and single prime number in-between) are primes.
A138399
Ennea-Primes. Prime Numbers n (single prime number in-between 8 twin primes) such that Sum of 9 prime numbers (8 twin primes and single prime number in-between) are primes.
Terms
- a(0) =4253a(1) =626617a(2) =1841681a(3) =2169007a(4) =2484931a(5) =9198577a(6) =9600571a(7) =16738861a(8) =21240283a(9) =21836767a(10) =23121403a(11) =23405593a(12) =27437131a(13) =31189801a(14) =33615229a(15) =36035029a(16) =44275331a(17) =57940061a(18) =65499923a(19) =79780271a(20) =81630529a(21) =83169227a(22) =108246967a(23) =111928343
External references
- oeis: A138399