Number of compositions (ordered partitions) of n into distinct parts >= 5.

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =1a(7) =1a(8) =1a(9) =1a(10) =1a(11) =3a(12) =3a(13) =5a(14) =5a(15) =7a(16) =7a(17) =9a(18) =15a(19) =17a(20) =23a(21) =31a(22) =37a(23) =45a(24) =57a(25) =65a(26) =101a(27) =115a(28) =151a(29) =189