Greater of a pair of twin primes (r,s=r+2) where s is of the form p^2 + pq + q^2 and p and q are also twin primes.

A270249

Greater of a pair of twin primes (r,s=r+2) where s is of the form p^2 + pq + q^2 and p and q are also twin primes.

Terms

    a(0) =109a(1) =433a(2) =2056753a(3) =3121201a(4) =3577393a(5) =26462701a(6) =37340353a(7) =43823053a(8) =128786113a(9) =202705201a(10) =304093873a(11) =888345793a(12) =1005988033a(13) =1399680001a(14) =1537437133a(15) =2282300173a(16) =2310187501a(17) =2444964913a(18) =2929312513a(19) =3564542701a(20) =5831255233a(21) =7950571201a(22) =8512439473a(23) =9346947373a(24) =9648752833a(25) =12627464653a(26) =15624660673

External references