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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 13 |
| 3 | 52 |
| 4 | 134 |
| 5 | 275 |
| 6 | 491 |
| 7 | 798 |
| 8 | 1212 |
| 9 | 1749 |
| 10 | 2425 |
| 11 | 3256 |
| 12 | 4258 |
| 13 | 5447 |
| 14 | 6839 |
| 15 | 8450 |
| 16 | 10296 |
| 17 | 12393 |
| 18 | 14757 |
| 19 | 17404 |
| 20 | 20350 |
| 21 | 23611 |
| 22 | 27203 |
| 23 | 31142 |
| 24 | 35444 |
| 25 | 40125 |
| 26 | 45201 |
| 27 | 50688 |
| 28 | 56602 |
| 29 | 62959 |
| 30 | 69775 |
| 31 | 77066 |
| 32 | 84848 |
| 33 | 93137 |
[1,13,52,134,275,491,798,1212,1749,2425,3256,4258, 5447,6839,8450,10296,12393,14757,17404,20350, 23611,27203,31142,35444,40125,45201,50688,56602, 62959,69775,77066,84848,93137] |