Number of compositions of n such that the number of parts is divisible by the smallest part.

Terms

a(0) =1a(1) =1a(2) =3a(3) =7a(4) =15a(5) =29a(6) =58a(7) =118a(8) =242a(9) =493a(10) =997a(11) =2005a(12) =4024a(13) =8071a(14) =16183a(15) =32439a(16) =65003a(17) =130214a(18) =260768a(19) =522084a(20) =1045045a(21) =2091489a(22) =4185209a(23) =8373979a(24) =16753651a(25) =33516419a(26) =67047467a(27) =134118462a(28) =268274858a(29) =536611011