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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 6 |
| 2 | 110 |
| 3 | 2562 |
| 4 | 66222 |
| 5 | 1815506 |
| 6 | 51697802 |
| 7 | 1511679210 |
| 8 | 45076309166 |
| 9 | 1364497268946 |
| 10 | 41800229045610 |
| 11 | 1292986222651646 |
| 12 | 40317756506959050 |
| 13 | 1265712901796074842 |
| 14 | 39965073938276694002 |
| 15 | 1268208750951634765562 |
| 16 | 40419340092267053380782 |
| 17 | 1293151592990764737265490 |
[1,6,110,2562,66222,1815506,51697802,1511679210, 45076309166,1364497268946,41800229045610, 1292986222651646,40317756506959050, 1265712901796074842,39965073938276694002, 1268208750951634765562,40419340092267053380782, 1293151592990764737265490] |