Number of compositions of n into distinct parts such that the difference between adjacent parts is at least two.

A328222

Number of compositions of n into distinct parts such that the difference between adjacent parts is at least two.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =3a(5) =3a(6) =5a(7) =7a(8) =11a(9) =15a(10) =23a(11) =31a(12) =47a(13) =63a(14) =91a(15) =133a(16) =183a(17) =255a(18) =355a(19) =487a(20) =661a(21) =973a(22) =1287a(23) =1783a(24) =2411a(25) =3289a(26) =4383a(27) =5905a(28) =8337a(29) =10975

External references