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| n | a(n) |
|---|---|
| 1 | 514920 |
| 2 | 2228050 |
| 3 | 13376848 |
| 4 | 80104299 |
| 5 | 249684274 |
| 6 | 940766774 |
| 7 | 3047978749 |
| 8 | 8696762202 |
| 9 | 26336306288 |
| 10 | 78716251434 |
| 11 | 225295831770 |
| 12 | 651870318928 |
| 13 | 1860285741290 |
| 14 | 5237337951769 |
| 15 | 14747905907768 |
| 16 | 41414839936846 |
[514920,2228050,13376848,80104299,249684274, 940766774,3047978749,8696762202,26336306288, 78716251434,225295831770,651870318928, 1860285741290,5237337951769,14747905907768, 41414839936846] |