Denominator of c(n) where c(0)=1 c(n+1) = n/c(n) + 1.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =5a(6) =13a(7) =19a(8) =58a(9) =191a(10) =655a(11) =1187a(12) =4462a(13) =17519a(14) =71063a(15) =149405a(16) =646846a(17) =2887921a(18) =13237457a(19) =31166057a(20) =150303170a(21) =742458253a(22) =3748521653a(23) =9670072483a(24) =50903810666a(25) =273315477775