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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 7 |
| 2 | 33 |
| 3 | 123 |
| 4 | 257 |
| 5 | 515 |
| 6 | 925 |
| 7 | 1419 |
| 8 | 2109 |
| 9 | 3071 |
| 10 | 4169 |
| 11 | 5575 |
| 12 | 7153 |
| 13 | 9171 |
| 14 | 11513 |
| 15 | 14147 |
| 16 | 17077 |
| 17 | 20479 |
| 18 | 24405 |
| 19 | 28671 |
| 20 | 33401 |
| 21 | 38911 |
| 22 | 44473 |
| 23 | 50883 |
| 24 | 57777 |
| 25 | 65267 |
| 26 | 73525 |
| 27 | 82519 |
| 28 | 91965 |
| 29 | 101943 |
| 30 | 113081 |
| 31 | 124487 |
| 32 | 137065 |
| 33 | 150555 |
| 34 | 164517 |
| 35 | 179579 |
| 36 | 195269 |
| 37 | 212095 |
[1,7,33,123,257,515,925,1419,2109,3071,4169,5575, 7153,9171,11513,14147,17077,20479,24405,28671, 33401,38911,44473,50883,57777,65267,73525,82519, 91965,101943,113081,124487,137065,150555,164517, 179579,195269,212095] |