Primes of the form (prime(k-1)+1)*(prime(k+1)-1) + 1, k>1.

Terms

a(0) =13a(1) =61a(2) =97a(3) =193a(4) =397a(5) =1597a(6) =1933a(7) =9001a(8) =12097a(9) =14821a(10) =18217a(11) =21001a(12) =31321a(13) =37633a(14) =74521a(15) =91141a(16) =96097a(17) =122497a(18) =168037a(19) =211597a(20) =266221a(21) =478801a(22) =605221a(23) =719041a(24) =760321a(25) =781453a(26) =808081a(27) =861121a(28) =915769a(29) =1034281