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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 9 |
| 4 | 8 |
| 5 | 40 |
| 6 | 24 |
| 7 | 168 |
| 8 | 152 |
| 9 | 477 |
| 10 | 490 |
| 11 | 1199 |
| 12 | 912 |
| 13 | 2418 |
| 14 | 2464 |
| 15 | 4230 |
| 16 | 4464 |
| 17 | 7769 |
| 18 | 6894 |
| 19 | 12369 |
| 20 | 12400 |
| 21 | 18606 |
| 22 | 19008 |
| 23 | 27784 |
| 24 | 26376 |
| 25 | 39575 |
| 26 | 39390 |
| 27 | 54027 |
| 28 | 54432 |
| 29 | 73254 |
| 30 | 68340 |
| 31 | 96410 |
| 32 | 96800 |
| 33 | 124443 |
| 34 | 125222 |
| 35 | 159005 |
| 36 | 156168 |
| 37 | 200540 |
| 38 | 201932 |
| 39 | 248508 |
| 40 | 250120 |
[1,2,9,8,40,24,168,152,477,490,1199,912,2418,2464, 4230,4464,7769,6894,12369,12400,18606,19008,27784, 26376,39575,39390,54027,54432,73254,68340,96410, 96800,124443,125222,159005,156168,200540,201932, 248508,250120] |