Number of partitions of n into fractions k/(k+1), 0 < k <= n.

Terms

a(0) =1a(1) =1a(2) =2a(3) =4a(4) =7a(5) =22a(6) =37a(7) =84a(8) =172a(9) =454a(10) =745a(11) =2904a(12) =4722a(13) =10464a(14) =38546a(15) =88769a(16) =147439a(17) =475153a(18) =785894a(19) =3140342a(20) =10412267a(21) =19169464a(22) =32132160a(23) =125087460a(24) =224341028a(25) =394553026a(26) =799614318a(27) =3108061596a(28) =5172450911a(29) =21360507716