Number of compositions of n such that every subsequence has a different sum.

Terms

a(0) =1a(1) =1a(2) =1a(3) =3a(4) =3a(5) =5a(6) =5a(7) =13a(8) =13a(9) =27a(10) =21a(11) =41a(12) =41a(13) =61a(14) =55a(15) =111a(16) =105a(17) =185a(18) =155a(19) =313a(20) =259a(21) =495a(22) =387a(23) =701a(24) =623a(25) =961a(26) =805a(27) =1419a(28) =1191a(29) =1781