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| n | a(n) |
|---|---|
| 1 | 13580 |
| 2 | 59720 |
| 3 | 263156 |
| 4 | 1161050 |
| 5 | 5126096 |
| 6 | 22639594 |
| 7 | 99998070 |
| 8 | 441725882 |
| 9 | 1951405680 |
| 10 | 8621117794 |
| 11 | 38088447024 |
| 12 | 168279117534 |
| 13 | 743481021992 |
| 14 | 3284821244114 |
| 15 | 14512935374230 |
| 16 | 64120940154432 |
| 17 | 283299106253030 |
[13580,59720,263156,1161050,5126096,22639594, 99998070,441725882,1951405680,8621117794, 38088447024,168279117534,743481021992, 3284821244114,14512935374230,64120940154432, 283299106253030] |