Number of compositions (ordered partitions) of n into distinct parts >= 7.

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =1a(8) =1a(9) =1a(10) =1a(11) =1a(12) =1a(13) =1a(14) =1a(15) =3a(16) =3a(17) =5a(18) =5a(19) =7a(20) =7a(21) =9a(22) =9a(23) =11a(24) =17a(25) =19a(26) =25a(27) =33a(28) =39a(29) =47