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| n | a(n) |
|---|---|
| 1 | 9 |
| 2 | 27 |
| 3 | 61 |
| 4 | 124 |
| 5 | 255 |
| 6 | 474 |
| 7 | 860 |
| 8 | 1597 |
| 9 | 2726 |
| 10 | 4232 |
| 11 | 6741 |
| 12 | 10391 |
| 13 | 16177 |
| 14 | 24480 |
| 15 | 34926 |
| 16 | 47875 |
| 17 | 65896 |
| 18 | 92255 |
| 19 | 139262 |
| 20 | 198988 |
| 21 | 271642 |
| 22 | 357674 |
| 23 | 474239 |
| 24 | 609442 |
| 25 | 773493 |
| 26 | 1029477 |
| 27 | 1404094 |
| 28 | 1857856 |
| 29 | 2392385 |
| 30 | 3169652 |
| 31 | 4059322 |
| 32 | 5102419 |
| 33 | 6482700 |
| 34 | 8041992 |
[9,27,61,124,255,474,860,1597,2726,4232,6741, 10391,16177,24480,34926,47875,65896,92255,139262, 198988,271642,357674,474239,609442,773493,1029477, 1404094,1857856,2392385,3169652,4059322,5102419, 6482700,8041992] |