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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 14 |
| 3 | 174 |
| 4 | 3174 |
| 5 | 76902 |
| 6 | 2331630 |
| 7 | 85048686 |
| 8 | 3629630070 |
| 9 | 177523551990 |
| 10 | 9793095667326 |
| 11 | 601667773414974 |
| 12 | 40747538527887366 |
| 13 | 3016185673617546822 |
| 14 | 242280567558408368142 |
| 15 | 20991011860150103490318 |
| 16 | 1951271511259385883645846 |
| 17 | 193723174296061459833879702 |
[1,2,14,174,3174,76902,2331630,85048686, 3629630070,177523551990,9793095667326, 601667773414974,40747538527887366, 3016185673617546822,242280567558408368142, 20991011860150103490318,1951271511259385883645846, 193723174296061459833879702] |