Number of compositions (ordered partitions) of n into at most 6 nonprime parts.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =3a(6) =5a(7) =6a(8) =10a(9) =16a(10) =19a(11) =31a(12) =44a(13) =52a(14) =86a(15) =101a(16) =148a(17) =206a(18) =237a(19) =350a(20) =441a(21) =551a(22) =743a(23) =900a(24) =1151a(25) =1470a(26) =1782a(27) =2216a(28) =2762a(29) =3287