Numerator of Sum_{k=1..n} k*H_{n+k} where H_m = Sum_{i=1..m} 1/i.

Terms

a(0) =0a(1) =3a(2) =6a(3) =14a(4) =155a(5) =167a(6) =1239a(7) =433a(8) =8109a(9) =8389a(10) =95051a(11) =97571a(12) =1298453a(13) =1326173a(14) =1351913a(15) =1375937a(16) =47547623a(17) =48268343a(18) =930031437a(19) =314094559a(20) =317974435a(21) =64333911a(22) =498634963a(23) =1511424393a(24) =38157431275a(25) =38514379867a(26) =349718397003a(27) =352692968603