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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 9 |
| 3 | 24 |
| 4 | 60 |
| 5 | 130 |
| 6 | 247 |
| 7 | 429 |
| 8 | 697 |
| 9 | 1075 |
| 10 | 1590 |
| 11 | 2272 |
| 12 | 3154 |
| 13 | 4272 |
| 14 | 5665 |
| 15 | 7375 |
| 16 | 9447 |
| 17 | 11929 |
| 18 | 14872 |
| 19 | 18330 |
| 20 | 22360 |
| 21 | 27022 |
| 22 | 32379 |
| 23 | 38497 |
| 24 | 45445 |
| 25 | 53295 |
| 26 | 62122 |
| 27 | 72004 |
| 28 | 83022 |
| 29 | 95260 |
| 30 | 108805 |
| 31 | 123747 |
| 32 | 140179 |
[3,9,24,60,130,247,429,697,1075,1590,2272,3154, 4272,5665,7375,9447,11929,14872,18330,22360,27022, 32379,38497,45445,53295,62122,72004,83022,95260, 108805,123747,140179] |