a(n) = [ sum of 1/{k/e} ] for k = 1,2,...,n, where {x} := x - [ x ].

Terms

a(0) =2a(1) =4a(2) =13a(3) =15a(4) =17a(5) =21a(6) =23a(7) =24a(8) =27a(9) =29a(10) =50a(11) =53a(12) =54a(13) =61a(14) =63a(15) =64a(16) =68a(17) =69a(18) =70a(19) =73a(20) =74a(21) =85a(22) =87a(23) =88a(24) =94a(25) =95a(26) =96a(27) =100a(28) =101a(29) =129