a(n) is the smallest prime > A051451(n)+1.

Terms

a(0) =5a(1) =11a(2) =17a(3) =67a(4) =431a(5) =853a(6) =2531a(7) =27733a(8) =360391a(9) =720743a(10) =12252259a(11) =232792597a(12) =5354228921a(13) =26771144429a(14) =80313433231