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

Terms

a(0) =1a(1) =4a(2) =19a(3) =4a(4) =8a(5) =19a(6) =250a(7) =10a(8) =19a(9) =54a(10) =12a(11) =19a(12) =38a(13) =250a(14) =19a(15) =32a(16) =80a(17) =19a(18) =29a(19) =54a(20) =250a(21) =27a(22) =44a(23) =100a(24) =26a(25) =38a(26) =68a(27) =250a(28) =34a(29) =54