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| n | a(n) |
|---|---|
| 1 | 10 |
| 2 | 66 |
| 3 | 482 |
| 4 | 3776 |
| 5 | 31220 |
| 6 | 270598 |
| 7 | 2437366 |
| 8 | 22741458 |
| 9 | 218754226 |
| 10 | 2164858272 |
| 11 | 21979131840 |
| 12 | 228579454066 |
| 13 | 2430514618686 |
| 14 | 26392486178654 |
| 15 | 292283537055778 |
[10,66,482,3776,31220,270598,2437366,22741458, 218754226,2164858272,21979131840,228579454066, 2430514618686,26392486178654,292283537055778] |