Number of compositions (ordered partitions) of n into divisors of n that are at most sqrt(n).

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =5a(5) =1a(6) =13a(7) =1a(8) =34a(9) =19a(10) =89a(11) =1a(12) =927a(13) =1a(14) =610a(15) =189a(16) =4930a(17) =1a(18) =35890a(19) =1a(20) =46754a(21) =1873a(22) =28657a(23) =1a(24) =3919944a(25) =571a(26) =196418a(27) =18560a(28) =4205249a(29) =1