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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 13 |
| 3 | 29 |
| 4 | 61 |
| 5 | 97 |
| 6 | 167 |
| 7 | 257 |
| 8 | 373 |
| 9 | 523 |
| 10 | 701 |
| 11 | 911 |
| 12 | 1171 |
| 13 | 1487 |
| 14 | 1861 |
| 15 | 2203 |
| 16 | 2647 |
| 17 | 3181 |
| 18 | 3767 |
| 19 | 4373 |
| 20 | 5087 |
| 21 | 5897 |
| 22 | 6719 |
| 23 | 7639 |
| 24 | 8623 |
| 25 | 9743 |
| 26 | 10903 |
| 27 | 12203 |
| 28 | 13591 |
| 29 | 15031 |
| 30 | 16547 |
| 31 | 18223 |
| 32 | 20047 |
| 33 | 21961 |
| 34 | 23957 |
| 35 | 26083 |
| 36 | 28277 |
| 37 | 30637 |
| 38 | 33179 |
| 39 | 35771 |
| 40 | 38543 |
| 41 | 41399 |
[1,13,29,61,97,167,257,373,523,701,911,1171,1487, 1861,2203,2647,3181,3767,4373,5087,5897,6719,7639, 8623,9743,10903,12203,13591,15031,16547,18223, 20047,21961,23957,26083,28277,30637,33179,35771, 38543,41399] |