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| n | a(n) |
|---|---|
| 1 | 326786 |
| 2 | 1375612 |
| 3 | 6113796 |
| 4 | 29472954 |
| 5 | 161033032 |
| 6 | 950535104 |
| 7 | 5625963918 |
| 8 | 35154924248 |
| 9 | 233690454262 |
| 10 | 1504949151192 |
| 11 | 10086648696624 |
| 12 | 70769757753404 |
| 13 | 473977778228566 |
| 14 | 3290361775892880 |
| 15 | 23686288224729122 |
| 16 | 161604711198389224 |
[326786,1375612,6113796,29472954,161033032, 950535104,5625963918,35154924248,233690454262, 1504949151192,10086648696624,70769757753404, 473977778228566,3290361775892880, 23686288224729122,161604711198389224] |