Positions of the digit '3' in the decimal expansion of Pi - 3.

Terms

a(0) =9a(1) =15a(2) =17a(3) =24a(4) =25a(5) =27a(6) =43a(7) =46a(8) =64a(9) =86a(10) =91a(11) =111a(12) =115a(13) =123a(14) =137a(15) =142a(16) =170a(17) =194a(18) =196a(19) =215a(20) =216a(21) =230a(22) =231a(23) =237a(24) =261a(25) =265a(26) =274a(27) =282a(28) =283a(29) =285