Lesser members of twin primes which are the sum of the first k primes for some number k.

Terms

a(0) =5a(1) =17a(2) =41a(3) =197a(4) =281a(5) =38921a(6) =121631a(7) =325019a(8) =642869a(9) =681257a(10) =1005551a(11) =1086557a(12) =2327399a(13) =4975457a(14) =7584569a(15) =7819787a(16) =8130767a(17) =8522159a(18) =14848187a(19) =17769377a(20) =18615677a(21) =19949537a(22) =20144051a(23) =21171191a(24) =24845207a(25) =33669047a(26) =35166449a(27) =56039957a(28) =73479947a(29) =82366769