The table below gives counts of the number of distinct optimal and near optimal Golomb rulers . The first column is the number of marks, n, the second column is the length of the shortest rule, k, and the remaining columns are the number of distinct rulers with n marks and length k+0, k+1, k+2, etc.
| n | k | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 3 | 3 | 1 | 1 | 2 | 2 | 3 | 3 | 4 | 4 | 5 | 5 | 6 |
| 4 | 6 | 1 | 3 | 4 | 9 | 8 | 15 | 17 | 24 | 24 | 36 | 36 |
| 5 | 11 | 2 | 7 | 14 | 21 | 38 | 50 | 80 | 95 | 142 | 158 | 240 |
| 6 | 17 | 4 | 4 | 20 | 35 | 86 | 101 | 203 | 282 | 419 | 520 | 861 |
| 7 | 25 | 5 | 7 | 20 | 60 | 147 | 190 | 429 | 655 | 1048 | 1400 | 2305 |
| 8 | 34 | 1 | 9 | 14 | 48 | 91 | 192 | 379 | 763 | 1102 | 2155 | 3194 |
| 9 | 44 | 1 | 4 | 4 | 21 | 40 | 96 | 167 | 398 | 699 | 1425 | 2097 |
| 10 | 55 | 1 | 0 | 0 | 1 | 2 | 14 | 31 | 74 | 189 | 357 | 660 |
| 11 | 72 | 2 | 0 | 11 | 12 | 40 | 69 | 110 | 258 | 526 | 1064 | 1780 |
| 12 | 85 | 1 | 0 | 0 | 0 | 0 | 1 | 5 | 9 | 23 | 41 | 107 |
| 13 | 106 | 1 | 0 | 0 | 3 | 3 | 9 | 21 | 28 | 72 | 147 | 277 |
| 14 | 127 | 1 | 1 | 3 | 1 | 6 | 4 | 10 | 26 | 45 | 96 | 188 |
| 15 | 151 | 1 | 2 | 2 | 0 | 5 | 7 | 12 | 16 | 49 | 100 | 181 |
| 16 | 177 | 1 | 1 | 3 | 3 | 6 | 7 | 18 | 21 | 44 | 82 | 149 |
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