Primes p of the form k*(k + 1) - 1 such that p and p + 2 are twin primes.

Terms

a(0) =5a(1) =11a(2) =29a(3) =41a(4) =71a(5) =239a(6) =419a(7) =461a(8) =599a(9) =1481a(10) =1721a(11) =2549a(12) =2969a(13) =3539a(14) =4421a(15) =8009a(16) =10301a(17) =17291a(18) =19181a(19) =20021a(20) =23561a(21) =24179a(22) =27059a(23) =31151a(24) =35531a(25) =41411a(26) =42641a(27) =43889a(28) =46439a(29) =47741