a(n) = n-th prime modulo 3.

Terms

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