Number of integer compositions of n with all prime run-lengths.

Terms

a(0) =1a(1) =0a(2) =1a(3) =1a(4) =1a(5) =1a(6) =4a(7) =3a(8) =6a(9) =9a(10) =10a(11) =18a(12) =27a(13) =35a(14) =54a(15) =83a(16) =107a(17) =176a(18) =242a(19) =354a(20) =515a(21) =774a(22) =1070a(23) =1648a(24) =2332a(25) =3429a(26) =4984a(27) =7326a(28) =10521a(29) =15591