Let q_k=p(p+2) be product of k-th pair of twin primes; sequence gives values of p such that (q_k)^2 > q_{k-i}q_{k+i} for all 1 <= i <= k-1.

A021005

Let q_k=p(p+2) be product of k-th pair of twin primes; sequence gives values of p such that (q_k)^2 > q_{k-i}q_{k+i} for all 1 <= i <= k-1.

Terms

    a(0) =3a(1) =11a(2) =29a(3) =59a(4) =101a(5) =137a(6) =179a(7) =191a(8) =227a(9) =419a(10) =521a(11) =569a(12) =599a(13) =809a(14) =821a(15) =1019a(16) =1229a(17) =1277a(18) =1289a(19) =1607a(20) =1667a(21) =1871a(22) =2081a(23) =2549a(24) =2657a(25) =2687a(26) =2969a(27) =3119a(28) =3251a(29) =3329

External references