Nim product 8 * n.

Terms

a(0) =0a(1) =8a(2) =12a(3) =4a(4) =11a(5) =3a(6) =7a(7) =15a(8) =13a(9) =5a(10) =1a(11) =9a(12) =6a(13) =14a(14) =10a(15) =2a(16) =128a(17) =136a(18) =140a(19) =132a(20) =139a(21) =131a(22) =135a(23) =143a(24) =141a(25) =133a(26) =129a(27) =137a(28) =134a(29) =142