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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 3 |
| 3 | 10 |
| 4 | 50 |
| 5 | 354 |
| 6 | 3883 |
| 7 | 67994 |
| 8 | 2038236 |
| 9 | 109141344 |
| 10 | 10693855251 |
| 11 | 1934271527050 |
| 12 | 648399961915988 |
| 13 | 404093642681273382 |
| 14 | 469756524755173254759 |
| 15 | 1022121472711196824292810 |
| 16 | 4176802133456105622904206409 |
| 17 | 32159648543645931290004658982846 |
[1,2,3,10,50,354,3883,67994,2038236,109141344, 10693855251,1934271527050,648399961915988, 404093642681273382,469756524755173254759, 1022121472711196824292810, 4176802133456105622904206409, 32159648543645931290004658982846] |