Number of compositions (ordered partitions) of n into prime parts such that no two adjacent parts are equal (Carlitz compositions).
A301428
Number of compositions (ordered partitions) of n into prime parts such that no two adjacent parts are equal (Carlitz compositions).
Terms
- a(0) =1a(1) =0a(2) =1a(3) =1a(4) =0a(5) =3a(6) =0a(7) =4a(8) =3a(9) =3a(10) =10a(11) =3a(12) =16a(13) =12a(14) =18a(15) =35a(16) =24a(17) =64a(18) =57a(19) =90a(20) =137a(21) =136a(22) =259a(23) =270a(24) =416a(25) =573a(26) =679a(27) =1088a(28) =1264a(29) =1869
External references
- oeis: A301428