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| n | a(n) |
|---|---|
| 1 | 7684 |
| 2 | 11541 |
| 3 | 18701 |
| 4 | 35256 |
| 5 | 70867 |
| 6 | 159318 |
| 7 | 374381 |
| 8 | 950430 |
| 9 | 2493379 |
| 10 | 6918426 |
| 11 | 19700261 |
| 12 | 58562166 |
| 13 | 177935707 |
| 14 | 560102058 |
| 15 | 1799006381 |
| 16 | 5959407990 |
| 17 | 20122577299 |
| 18 | 69815060586 |
| 19 | 246423783221 |
| 20 | 889827288726 |
| 21 | 3258504907147 |
| 22 | 12147037985898 |
[7684,11541,18701,35256,70867,159318,374381, 950430,2493379,6918426,19700261,58562166, 177935707,560102058,1799006381,5959407990, 20122577299,69815060586,246423783221,889827288726, 3258504907147,12147037985898] |