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| n | a(n) |
|---|---|
| 1 | 315576 |
| 2 | 298760 |
| 3 | 2363797 |
| 4 | 7348144 |
| 5 | 33767784 |
| 6 | 106040628 |
| 7 | 333213583 |
| 8 | 871426149 |
| 9 | 2111246736 |
| 10 | 4561812863 |
| 11 | 9330585017 |
| 12 | 17842432139 |
| 13 | 32535281473 |
| 14 | 56464375423 |
| 15 | 94767234632 |
| 16 | 153713251358 |
| 17 | 242566893076 |
| 18 | 372616947142 |
| 19 | 560429992326 |
[315576,298760,2363797,7348144,33767784,106040628, 333213583,871426149,2111246736,4561812863, 9330585017,17842432139,32535281473,56464375423, 94767234632,153713251358,242566893076, 372616947142,560429992326] |