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| n | a(n) |
|---|---|
| 1 | 714 |
| 2 | 2726 |
| 3 | 15306 |
| 4 | 60955 |
| 5 | 264502 |
| 6 | 1271212 |
| 7 | 5588466 |
| 8 | 24324681 |
| 9 | 110763233 |
| 10 | 496845217 |
| 11 | 2197293358 |
| 12 | 9844054535 |
| 13 | 44142441243 |
| 14 | 196695517269 |
| 15 | 878487450144 |
| 16 | 3930961242547 |
| 17 | 17556842722229 |
| 18 | 78410067260274 |
| 19 | 350493365447613 |
[714,2726,15306,60955,264502,1271212,5588466, 24324681,110763233,496845217,2197293358, 9844054535,44142441243,196695517269,878487450144, 3930961242547,17556842722229,78410067260274, 350493365447613] |