A094580 In decimal expansion of pi=3.1415... : smallest k>n such that the k-th position equals the n-th position.

10, 4, 20, 38, 9, 13, 17, 21, 11, 16, 32, 19, 15, 30, 31, 18, 22, 25, 27, 24, 23, 29, 42, 37, 26, 28, 35, 44, 34, 40, 39, 49, 51, 54, 36, 53, 58, 41, 43, 48, 50, 70, 45, 47, 46, 56, 65, 57, 52, 69, 55, 62, 68, 64, 66, 59, 67, 60, 63, 61, 71, 91, 80, 74, 87, 72, 97, 75, 95