Number of compositions (ordered partitions) of n into distinct parts, the least being 5.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =0a(7) =0a(8) =0a(9) =0a(10) =0a(11) =2a(12) =2a(13) =2a(14) =2a(15) =2a(16) =2a(17) =2a(18) =8a(19) =8a(20) =14a(21) =14a(22) =20a(23) =20a(24) =26a(25) =26a(26) =56a(27) =56a(28) =86a(29) =110