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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | 17 |
| 3 | 45 |
| 4 | 101 |
| 5 | 205 |
| 6 | 381 |
| 7 | 669 |
| 8 | 1117 |
| 9 | 1805 |
| 10 | 2829 |
| 11 | 4349 |
| 12 | 6557 |
| 13 | 9773 |
| 14 | 14381 |
| 15 | 21021 |
| 16 | 30461 |
| 17 | 43981 |
| 18 | 63117 |
| 19 | 90429 |
| 20 | 128989 |
| 21 | 183917 |
| 22 | 261357 |
| 23 | 371549 |
| 24 | 526781 |
| 25 | 747533 |
| 26 | 1058381 |
| 27 | 1500285 |
| 28 | 2122397 |
| 29 | 3006637 |
| 30 | 4251309 |
| 31 | 6020253 |
| 32 | 8510077 |
| 33 | 12048461 |
| 34 | 17028621 |
| 35 | 24105917 |
| 36 | 34066781 |
| 37 | 48221933 |
[1,5,17,45,101,205,381,669,1117,1805,2829,4349, 6557,9773,14381,21021,30461,43981,63117,90429, 128989,183917,261357,371549,526781,747533,1058381, 1500285,2122397,3006637,4251309,6020253,8510077, 12048461,17028621,24105917,34066781,48221933] |