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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 22 |
| 3 | 434 |
| 4 | 1557 |
| 5 | 38035 |
| 6 | 473924 |
| 7 | 7885194 |
| 8 | 132676384 |
| 9 | 2249698337 |
| 10 | 39854864168 |
| 11 | 700615705103 |
| 12 | 12435929820498 |
| 13 | 221099245989227 |
| 14 | 3935763610862580 |
| 15 | 70136675735762945 |
| 16 | 1250168095233297669 |
| 17 | 22291499935243883463 |
[1,22,434,1557,38035,473924,7885194,132676384, 2249698337,39854864168,700615705103, 12435929820498,221099245989227,3935763610862580, 70136675735762945,1250168095233297669, 22291499935243883463] |