Numbers k such that A111875(k) is prime and sets a new record for number of digits.

Terms

a(0) =1a(1) =37a(2) =195a(3) =617a(4) =945a(5) =1519a(6) =2128a(7) =10033a(8) =19264a(9) =25029a(10) =75577a(11) =94845a(12) =190391a(13) =224334a(14) =1473480a(15) =1985403a(16) =4646987a(17) =4773700a(18) =4936393a(19) =7027042a(20) =18786453a(21) =57102072a(22) =64712988a(23) =113558099a(24) =176167211a(25) =472761812a(26) =930729114a(27) =1808160983a(28) =2830569666a(29) =4640681207