Triangular numbers T such that T+10 is the next prime after T.

Terms

a(0) =1711a(1) =1891a(2) =4851a(3) =9591a(4) =18721a(5) =23653a(6) =24753a(7) =27261a(8) =32131a(9) =35511a(10) =57291a(11) =64261a(12) =69751a(13) =77421a(14) =79401a(15) =81003a(16) =102831a(17) =106491a(18) =108811a(19) =114003a(20) =115921a(21) =147153a(22) =153181a(23) =155403a(24) =171991a(25) =178503a(26) =181503a(27) =191271a(28) =200661a(29) =208981