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| n | a(n) |
|---|---|
| 1 | 14 |
| 2 | 486 |
| 3 | 1024 |
| 4 | 3088 |
| 5 | 12816 |
| 6 | 53132 |
| 7 | 232156 |
| 8 | 984288 |
| 9 | 4304608 |
| 10 | 18686420 |
| 11 | 81545856 |
| 12 | 355534620 |
| 13 | 1548803468 |
| 14 | 6754327372 |
| 15 | 29407955624 |
| 16 | 128203071808 |
| 17 | 558360538308 |
| 18 | 2433519428172 |
| 19 | 10601710686752 |
| 20 | 46199290950200 |
| 21 | 201293175872408 |
[14,486,1024,3088,12816,53132,232156,984288, 4304608,18686420,81545856,355534620,1548803468, 6754327372,29407955624,128203071808,558360538308, 2433519428172,10601710686752,46199290950200, 201293175872408] |