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| n | a(n) |
|---|---|
| 1 | 12 |
| 2 | 104 |
| 3 | 501 |
| 4 | 1850 |
| 5 | 5387 |
| 6 | 13766 |
| 7 | 32745 |
| 8 | 69147 |
| 9 | 139064 |
| 10 | 262034 |
| 11 | 459365 |
| 12 | 770636 |
| 13 | 1260649 |
| 14 | 2012385 |
| 15 | 3077153 |
| 16 | 4619337 |
| 17 | 6758716 |
| 18 | 9596887 |
| 19 | 13457219 |
| 20 | 18530319 |
| 21 | 25238829 |
| 22 | 34180656 |
| 23 | 45578224 |
| 24 | 59678562 |
| 25 | 77195101 |
| 26 | 98388801 |
| 27 | 124185886 |
| 28 | 157812794 |
| 29 | 198517033 |
[12,104,501,1850,5387,13766,32745,69147,139064, 262034,459365,770636,1260649,2012385,3077153, 4619337,6758716,9596887,13457219,18530319, 25238829,34180656,45578224,59678562,77195101, 98388801,124185886,157812794,198517033] |