a(n) = [ 1/{n/e} ], {x} := x - [ x ].

Terms

a(0) =2a(1) =1a(2) =9a(3) =2a(4) =1a(5) =4a(6) =1a(7) =1a(8) =3a(9) =1a(10) =21a(11) =2a(12) =1a(13) =6a(14) =1a(15) =1a(16) =3a(17) =1a(18) =1a(19) =2a(20) =1a(21) =10a(22) =2a(23) =1a(24) =5a(25) =1a(26) =1a(27) =3a(28) =1a(29) =27