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| n | a(n) |
|---|---|
| 0 | 3 |
| 1 | 6 |
| 2 | 22 |
| 3 | 108 |
| 4 | 300 |
| 5 | 919 |
| 6 | 1626 |
| 7 | 3558 |
| 8 | 5824 |
| 9 | 9843 |
| 10 | 14352 |
| 11 | 23845 |
| 12 | 30951 |
| 13 | 47196 |
| 14 | 62773 |
| 15 | 82488 |
| 16 | 104544 |
| 17 | 144784 |
| 18 | 173694 |
| 19 | 230008 |
| 20 | 276388 |
| 21 | 336927 |
| 22 | 403452 |
| 23 | 509218 |
| 24 | 582417 |
| 25 | 702228 |
| 26 | 824956 |
| 27 | 969387 |
| 28 | 1098312 |
| 29 | 1321978 |
| 30 | 1463580 |
| 31 | 1724190 |
| 32 | 1952509 |
| 33 | 2221497 |
| 34 | 2505169 |
| 35 | 2846908 |
| 36 | 3103788 |
| 37 | 3556143 |
| 38 | 3978763 |
| 39 | 4444003 |
[3,6,22,108,300,919,1626,3558,5824,9843,14352, 23845,30951,47196,62773,82488,104544,144784, 173694,230008,276388,336927,403452,509218,582417, 702228,824956,969387,1098312,1321978,1463580, 1724190,1952509,2221497,2505169,2846908,3103788, 3556143,3978763,4444003] |