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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 3 |
| 5 | 5 |
| 6 | 8 |
| 7 | 114 |
| 8 | 15476 |
| 9 | 241627833 |
| 10 | 58387782699138722 |
| 11 | 3409133182630874269408219655206824 |
| 12 | 11622189056914914134468868887744166891725722891927072453845737486189 |
[0,1,1,2,3,5,8,114,15476,241627833, 58387782699138722, 3409133182630874269408219655206824, 11622189056914914134468868887744166891725722891927\ 072453845737486189] |