a(n) = [ 1/{n/sqrt(2)} ], where {x} := x - [ x ].

Terms

a(0) =1a(1) =2a(2) =8a(3) =1a(4) =1a(5) =4a(6) =1a(7) =1a(8) =2a(9) =14a(10) =1a(11) =2a(12) =5a(13) =1a(14) =1a(15) =3a(16) =48a(17) =1a(18) =2a(19) =7a(20) =1a(21) =1a(22) =3a(23) =1a(24) =1a(25) =2a(26) =10a(27) =1a(28) =1a(29) =4