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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 34 |
| 3 | 154 |
| 4 | 3426 |
| 5 | 30716 |
| 6 | 437374 |
| 7 | 4798574 |
| 8 | 60643243 |
| 9 | 708210084 |
| 10 | 8638426210 |
| 11 | 102851006026 |
| 12 | 1241050341705 |
| 13 | 14864487744061 |
| 14 | 178769429361071 |
| 15 | 2145106707834543 |
| 16 | 25772189455414412 |
| 17 | 309421866097564512 |
[0,34,154,3426,30716,437374,4798574,60643243, 708210084,8638426210,102851006026,1241050341705, 14864487744061,178769429361071,2145106707834543, 25772189455414412,309421866097564512] |