Numerator of 1 + 1/2 + 2/3 + 3/4 + ... + (n-1)/n.

Terms

a(0) =1a(1) =1a(2) =3a(3) =13a(4) =35a(5) =223a(6) =91a(7) =757a(8) =1759a(9) =18071a(10) =20339a(11) =248929a(12) =274339a(13) =3899047a(14) =4233667a(15) =4570003a(16) =9815681a(17) =178398097a(18) =63323219a(19) =1276654601a(20) =270074449a(21) =94951643a(22) =99889667a(23) =2411272037a(24) =7575891845a(25) =197964062333a(26) =206544557333