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| n | a(n) |
|---|---|
| 2 | 2 |
| 3 | 6 |
| 4 | 5 |
| 5 | 55 |
| 6 | 54 |
| 7 | 252 |
| 8 | 169 |
| 9 | 747 |
| 10 | 630 |
| 11 | 1804 |
| 12 | 1381 |
| 13 | 3679 |
| 14 | 3150 |
| 15 | 6690 |
| 16 | 5553 |
| 17 | 11509 |
| 18 | 9846 |
| 19 | 18012 |
| 20 | 15241 |
| 21 | 27237 |
| 22 | 24398 |
| 23 | 39606 |
| 24 | 33577 |
| 25 | 56275 |
| 26 | 50622 |
| 27 | 77058 |
| 28 | 69693 |
| 29 | 102979 |
| 30 | 94770 |
| 31 | 135966 |
| 32 | 124065 |
| 33 | 175593 |
| 34 | 162894 |
| 35 | 222810 |
| 36 | 205885 |
| 37 | 279831 |
| 38 | 260870 |
| 39 | 347178 |
| 40 | 321961 |
| 41 | 424391 |
| 42 | 399042 |
[2,6,5,55,54,252,169,747,630,1804,1381,3679,3150, 6690,5553,11509,9846,18012,15241,27237,24398, 39606,33577,56275,50622,77058,69693,102979,94770, 135966,124065,175593,162894,222810,205885,279831, 260870,347178,321961,424391,399042] |