a(n) = numerator(H(n+2)-H(n-1)), where H(n) = Sum_{k=1..n} 1/k is the n-th harmonic number.

Terms

a(0) =11a(1) =13a(2) =47a(3) =37a(4) =107a(5) =73a(6) =191a(7) =121a(8) =299a(9) =181a(10) =431a(11) =253a(12) =587a(13) =337a(14) =767a(15) =433a(16) =971a(17) =541a(18) =1199a(19) =661a(20) =1451a(21) =793a(22) =1727a(23) =937a(24) =2027a(25) =1093a(26) =2351a(27) =1261a(28) =2699a(29) =1441