Number of ways to choose a partition of each part of a strict composition of n.

Terms

a(0) =1a(1) =1a(2) =2a(3) =7a(4) =11a(5) =29a(6) =81a(7) =155a(8) =312a(9) =708a(10) =1950a(11) =3384a(12) =7729a(13) =14929a(14) =32407a(15) =81708a(16) =151429a(17) =305899a(18) =623713a(19) =1234736a(20) =2463743a(21) =6208978a(22) =10732222a(23) =22487671a(24) =43000345a(25) =86573952a(26) =160595426a(27) =324990308a(28) =744946690a(29) =1336552491