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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 9 |
| 3 | 28 |
| 4 | 81 |
| 5 | 126 |
| 6 | 330 |
| 7 | 344 |
| 8 | 833 |
| 9 | 973 |
| 10 | 1754 |
| 11 | 1332 |
| 12 | 5034 |
| 13 | 2198 |
| 14 | 5658 |
| 15 | 8688 |
| 16 | 13313 |
| 17 | 4914 |
| 18 | 28779 |
| 19 | 6860 |
| 20 | 54106 |
| 21 | 45752 |
| 22 | 33482 |
| 23 | 12168 |
| 24 | 254954 |
| 25 | 93751 |
| 26 | 78906 |
| 27 | 255880 |
| 28 | 505698 |
| 29 | 24390 |
| 30 | 1510700 |
| 31 | 29792 |
| 32 | 1671169 |
| 33 | 1791312 |
| 34 | 647114 |
| 35 | 2819544 |
| 36 | 12637371 |
| 37 | 50654 |
| 38 | 2282346 |
| 39 | 14779520 |
| 40 | 34058298 |
| 41 | 68922 |
| 42 | 68084220 |
[1,9,28,81,126,330,344,833,973,1754,1332,5034, 2198,5658,8688,13313,4914,28779,6860,54106,45752, 33482,12168,254954,93751,78906,255880,505698, 24390,1510700,29792,1671169,1791312,647114, 2819544,12637371,50654,2282346,14779520,34058298, 68922,68084220] |