Twin-prime pairs expressible as the sum of two triangular numbers.

Terms

a(0) =11a(1) =13a(2) =29a(3) =31a(4) =137a(5) =139a(6) =191a(7) =193a(8) =461a(9) =463a(10) =659a(11) =661a(12) =821a(13) =823a(14) =1091a(15) =1093a(16) =1721a(17) =1723a(18) =2027a(19) =2029a(20) =2081a(21) =2083a(22) =2711a(23) =2713a(24) =3359a(25) =3361a(26) =3539a(27) =3541a(28) =3917a(29) =3919