Number of compositions of n such that the set of parts and the set of multiplicities of parts are disjoint.
A336032
Number of compositions of n such that the set of parts and the set of multiplicities of parts are disjoint.
Terms
- a(0) =1a(1) =0a(2) =2a(3) =2a(4) =2a(5) =4a(6) =6a(7) =6a(8) =14a(9) =34a(10) =79a(11) =159a(12) =227a(13) =429a(14) =727a(15) =1146a(16) =1999a(17) =3238a(18) =5018a(19) =8976a(20) =14977a(21) =24768a(22) =38400a(23) =70678a(24) =152535a(25) =295493a(26) =617675a(27) =1404099a(28) =3023086a(29) =6685876
External references
- oeis: A336032