Numerators of convergents to twin prime constant.

Terms

a(0) =0a(1) =1a(2) =1a(3) =2a(4) =33a(5) =68a(6) =169a(7) =406a(8) =981a(9) =1387a(10) =25947a(11) =53281a(12) =132509a(13) =1510880a(14) =1643389a(15) =3154269a(16) =7951927a(17) =34961977a(18) =42913904a(19) =721584441a(20) =2207667227a(21) =5136918895a(22) =22755342807a(23) =482999117842a(24) =988753578491