Number of triples (p,q,r) of primes with p<q<r<=prime(n), p+q>r, q+r>p and r+p>q.

Terms

a(0) =0a(1) =0a(2) =0a(3) =1a(4) =2a(5) =5a(6) =9a(7) =16a(8) =25a(9) =34a(10) =48a(11) =62a(12) =82a(13) =109a(14) =142a(15) =176a(16) =213a(17) =259a(18) =308a(19) =367a(20) =438a(21) =512a(22) =598a(23) =689a(24) =778a(25) =881a(26) =1000a(27) =1134a(28) =1286a(29) =1452