Nimsum n + 22.

Terms

a(0) =22a(1) =23a(2) =20a(3) =21a(4) =18a(5) =19a(6) =16a(7) =17a(8) =30a(9) =31a(10) =28a(11) =29a(12) =26a(13) =27a(14) =24a(15) =25a(16) =6a(17) =7a(18) =4a(19) =5a(20) =2a(21) =3a(22) =0a(23) =1a(24) =14a(25) =15a(26) =12a(27) =13a(28) =10a(29) =11