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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 10 |
| 4 | 27 |
| 5 | 54 |
| 6 | 93 |
| 7 | 474 |
| 8 | 2079 |
| 9 | 4834 |
| 10 | 5844 |
| 11 | 12337 |
| 12 | 20193 |
| 13 | 49528 |
| 14 | 56988 |
| 15 | 71545 |
| 16 | 77308 |
[1,3,10,27,54,93,474,2079,4834,5844,12337,20193, 49528,56988,71545,77308] |