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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 22 |
| 2 | 376 |
| 3 | 6113 |
| 4 | 98197 |
| 5 | 1572709 |
| 6 | 25169573 |
| 7 | 402738085 |
| 8 | 6443909029 |
| 9 | 103102943141 |
| 10 | 1649648684965 |
| 11 | 26394385338277 |
| 12 | 422310190927781 |
| 13 | 6756963156905893 |
| 14 | 108111410918739877 |
| 15 | 1729782576332820389 |
| 16 | 27676521227857055653 |
[1,22,376,6113,98197,1572709,25169573,402738085, 6443909029,103102943141,1649648684965, 26394385338277,422310190927781,6756963156905893, 108111410918739877,1729782576332820389, 27676521227857055653] |