Tersum n + 10.

Terms

a(0) =10a(1) =11a(2) =9a(3) =13a(4) =14a(5) =12a(6) =16a(7) =17a(8) =15a(9) =19a(10) =20a(11) =18a(12) =22a(13) =23a(14) =21a(15) =25a(16) =26a(17) =24a(18) =1a(19) =2a(20) =0a(21) =4a(22) =5a(23) =3a(24) =7a(25) =8a(26) =6a(27) =37a(28) =38a(29) =36