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

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =5a(5) =8a(6) =13a(7) =21a(8) =34a(9) =149a(10) =274a(11) =504a(12) =927a(13) =1705a(14) =3136a(15) =5768a(16) =10609a(17) =19513a(18) =35890a(19) =66012a(20) =121415a(21) =223317a(22) =410744a(23) =755476a(24) =1389537a(25) =4586976a(26) =8662591a(27) =16359466a(28) =30895160a(29) =58346092