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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 11 |
| 3 | 196 |
| 4 | 6621 |
| 5 | 331816 |
| 6 | 23484911 |
| 7 | 2215289896 |
| 8 | 268265691081 |
| 9 | 40520069205136 |
| 10 | 7462406090362331 |
| 11 | 1645244324233761736 |
| 12 | 427705624174427756061 |
| 13 | 129446242864616486729896 |
| 14 | 45117167155416556090204871 |
| 15 | 17939982317115194446562110816 |
| 16 | 8071743191485825080634857996561 |
[1,1,11,196,6621,331816,23484911,2215289896, 268265691081,40520069205136,7462406090362331, 1645244324233761736,427705624174427756061, 129446242864616486729896, 45117167155416556090204871, 17939982317115194446562110816, 8071743191485825080634857996561] |