A031195 Periods of sum of 6th powers of digits iterated until the sequence becomes periodic.

1, 10, 30, 30, 30, 10, 10, 10, 3, 1, 10, 10, 3, 10, 10, 30, 10, 30, 10, 10, 10, 30, 10, 10, 10, 10, 10, 10, 30, 30, 3, 10, 30, 30, 10, 10, 3, 30, 3, 30, 10, 10, 30, 30, 10, 10, 10, 30, 3, 30, 10, 10, 10, 10, 10, 10, 3, 30, 30, 10, 30, 10, 10, 10, 10, 10, 10, 10, 30