Numerator of -3*n + 2*(1+n)*HarmonicNumber(n).

Terms

a(0) =0a(1) =1a(2) =3a(3) =17a(4) =53a(5) =62a(6) =163a(7) =717a(8) =3489a(9) =3727a(10) =43391a(11) =45596a(12) =619313a(13) =644063a(14) =667229a(15) =2756003a(16) =24124223a(17) =24784883a(18) =160941559a(19) =164719333a(20) =33664415a(21) =11451017a(22) =268428987a(23) =819836496a(24) =20845424563a(25) =21181779967a(26) =193553388003a(27) =196368607553