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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 130 |
| 3 | 223 |
| 4 | 1522 |
| 5 | 14409 |
| 6 | 101878 |
| 7 | 750083 |
| 8 | 6104533 |
| 9 | 48998539 |
| 10 | 384601868 |
| 11 | 3097855642 |
| 12 | 24984007146 |
| 13 | 200482322420 |
| 14 | 1615138790101 |
| 15 | 13024820258903 |
| 16 | 104989526821688 |
| 17 | 846540044802802 |
| 18 | 6828371232433401 |
| 19 | 55079637415862063 |
[1,130,223,1522,14409,101878,750083,6104533, 48998539,384601868,3097855642,24984007146, 200482322420,1615138790101,13024820258903, 104989526821688,846540044802802,6828371232433401, 55079637415862063] |