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| n | a(n) |
|---|---|
| 1 | 613 |
| 2 | 606 |
| 3 | 624 |
| 4 | 660 |
| 5 | 732 |
| 6 | 876 |
| 7 | 1164 |
| 8 | 1740 |
| 9 | 2892 |
| 10 | 5196 |
| 11 | 9804 |
| 12 | 19020 |
| 13 | 37452 |
| 14 | 74316 |
| 15 | 148044 |
| 16 | 295500 |
| 17 | 590412 |
| 18 | 1180236 |
| 19 | 2359884 |
| 20 | 4719180 |
| 21 | 9437772 |
| 22 | 18874956 |
| 23 | 37749324 |
| 24 | 75498060 |
| 25 | 150995532 |
| 26 | 301990476 |
| 27 | 603980364 |
| 28 | 1207960140 |
| 29 | 2415919692 |
| 30 | 4831838796 |
[613,606,624,660,732,876,1164,1740,2892,5196,9804, 19020,37452,74316,148044,295500,590412,1180236, 2359884,4719180,9437772,18874956,37749324, 75498060,150995532,301990476,603980364,1207960140, 2415919692,4831838796] |