Number of integer compositions of n whose parts have weakly decreasing numbers of distinct prime factors (A001221).
A358902
Number of integer compositions of n whose parts have weakly decreasing numbers of distinct prime factors (A001221).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =3a(4) =5a(5) =8a(6) =13a(7) =21a(8) =33a(9) =53a(10) =84a(11) =134a(12) =213a(13) =338a(14) =536a(15) =850a(16) =1349a(17) =2136a(18) =3389a(19) =5367a(20) =8509a(21) =13480a(22) =21362a(23) =33843a(24) =53624a(25) =84957a(26) =134600a(27) =213251a(28) =337850a(29) =535251
External references
- oeis: A358902