Midpoints of record gaps between primes: a(n) = (A000101(n) + A002386(n))/2 for n > 1.

Terms

a(0) =4a(1) =9a(2) =26a(3) =93a(4) =120a(5) =532a(6) =897a(7) =1140a(8) =1344a(9) =9569a(10) =15705a(11) =19635a(12) =31433a(13) =155964a(14) =360701a(15) =370317a(16) =492170a(17) =1349592a(18) =1357267a(19) =2010807a(20) =4652430a(21) =17051797a(22) =20831428a(23) =47326803a(24) =122164858a(25) =189695776a(26) =191912907a(27) =387096258a(28) =436273150a(29) =1294268635