Number of ways to partition n elements into pie slices of different sizes other than one.

Terms

a(0) =1a(1) =0a(2) =1a(3) =1a(4) =1a(5) =2a(6) =2a(7) =3a(8) =3a(9) =6a(10) =6a(11) =9a(12) =11a(13) =14a(14) =22a(15) =27a(16) =35a(17) =46a(18) =62a(19) =73a(20) =119a(21) =138a(22) =190a(23) =239a(24) =323a(25) =402a(26) =522a(27) =753a(28) =927a(29) =1218