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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 9 |
| 3 | 36 |
| 4 | 110 |
| 5 | 277 |
| 6 | 634 |
| 7 | 1304 |
| 8 | 2492 |
| 9 | 4430 |
| 10 | 7559 |
| 11 | 12260 |
| 12 | 19272 |
| 13 | 29251 |
| 14 | 43339 |
| 15 | 62515 |
| 16 | 88501 |
| 17 | 122666 |
| 18 | 167322 |
| 19 | 224735 |
| 20 | 297919 |
| 21 | 389439 |
| 22 | 504010 |
| 23 | 644682 |
| 24 | 817003 |
| 25 | 1025762 |
| 26 | 1278054 |
| 27 | 1578938 |
| 28 | 1938210 |
| 29 | 2360862 |
| 30 | 2859571 |
| 31 | 3441853 |
| 32 | 4122058 |
| 33 | 4907573 |
| 34 | 5817118 |
[2,9,36,110,277,634,1304,2492,4430,7559,12260, 19272,29251,43339,62515,88501,122666,167322, 224735,297919,389439,504010,644682,817003,1025762, 1278054,1578938,1938210,2360862,2859571,3441853, 4122058,4907573,5817118] |