Nim product 9 * n.

Terms

a(0) =0a(1) =9a(2) =14a(3) =7a(4) =15a(5) =6a(6) =1a(7) =8a(8) =5a(9) =12a(10) =11a(11) =2a(12) =10a(13) =3a(14) =4a(15) =13a(16) =144a(17) =153a(18) =158a(19) =151a(20) =159a(21) =150a(22) =145a(23) =152a(24) =149a(25) =156a(26) =155a(27) =146a(28) =154a(29) =147