SQL how to select n row from each interval of one column

Question

For example, the table looks like | a | b | c | | 0 | 1 | 0 | | 1 | 2 | 3 | | 3 | 3 | 4 | | 4 | 3 | 4 | | 5 | 3 | 4 | | 6 | 3 | 4 | | 7 | 3 | 4 | | 8 | 3 | 4 | | 9 | 3 | 4 |