A175528 - OEIS

A175528

(Digit sum of 13^n) mod n.

0, 0, 1, 2, 0, 1, 5, 2, 1, 7, 8, 7, 6, 13, 13, 5, 3, 1, 9, 15, 7, 11, 14, 13, 21, 3, 10, 9, 17, 13, 29, 9, 16, 23, 29, 28, 27, 26, 4, 33, 9, 16, 23, 37, 10, 17, 6, 16, 2, 32, 49, 32, 29, 46, 17, 44, 43, 11, 50, 58, 32, 56, 10, 45, 33, 61, 60, 18, 67, 66, 47, 1, 17, 15, 22, 69, 18, 61, 5, 11, 73, 63, 42, 40, 29, 18, 7, 57, 12, 46, 53, 53, 49, 11, 18, 40, 84, 39, 37, 35