Number of compositions (ordered partitions) of n into prime parts not greater than sqrt(n).

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =1a(5) =0a(6) =1a(7) =0a(8) =1a(9) =5a(10) =7a(11) =9a(12) =12a(13) =16a(14) =21a(15) =28a(16) =37a(17) =49a(18) =65a(19) =86a(20) =114a(21) =151a(22) =200a(23) =265a(24) =351a(25) =2652a(26) =3769a(27) =5413a(28) =7713a(29) =11031