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| n | a(n) |
|---|---|
| 0 | -3 |
| 1 | 5 |
| 2 | 57 |
| 3 | 237 |
| 4 | 677 |
| 5 | 1557 |
| 6 | 3105 |
| 7 | 5597 |
| 8 | 9357 |
| 9 | 14757 |
| 10 | 22217 |
| 11 | 32205 |
| 12 | 45237 |
| 13 | 61877 |
| 14 | 82737 |
| 15 | 108477 |
| 16 | 139805 |
| 17 | 177477 |
| 18 | 222297 |
| 19 | 275117 |
| 20 | 336837 |
| 21 | 408405 |
| 22 | 490817 |
| 23 | 585117 |
| 24 | 692397 |
| 25 | 813797 |
| 26 | 950505 |
| 27 | 1103757 |
| 28 | 1274837 |
| 29 | 1465077 |
| 30 | 1675857 |
[-3,5,57,237,677,1557,3105,5597,9357,14757,22217, 32205,45237,61877,82737,108477,139805,177477, 222297,275117,336837,408405,490817,585117,692397, 813797,950505,1103757,1274837,1465077,1675857] |