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| n | a(n) |
|---|---|
| 1 | 243 |
| 2 | 729 |
| 3 | 2187 |
| 4 | 5997 |
| 5 | 14381 |
| 6 | 30816 |
| 7 | 60390 |
| 8 | 110270 |
| 9 | 190269 |
| 10 | 313527 |
| 11 | 497322 |
| 12 | 764028 |
| 13 | 1142238 |
| 14 | 1668071 |
| 15 | 2386683 |
| 16 | 3354003 |
| 17 | 4638716 |
| 18 | 6324516 |
| 19 | 8512653 |
| 20 | 11324799 |
| 21 | 14906259 |
| 22 | 19429554 |
| 23 | 25098404 |
| 24 | 32152140 |
| 25 | 40870575 |
| 26 | 51579365 |
| 27 | 64655892 |
| 28 | 80535702 |
[243,729,2187,5997,14381,30816,60390,110270, 190269,313527,497322,764028,1142238,1668071, 2386683,3354003,4638716,6324516,8512653,11324799, 14906259,19429554,25098404,32152140,40870575, 51579365,64655892,80535702] |