a(n) = n-th prime modulo 5.

Terms

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