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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 15 |
| 3 | 79 |
| 4 | 239 |
| 5 | 621 |
| 6 | 1185 |
| 7 | 2395 |
| 8 | 3823 |
| 9 | 6397 |
| 10 | 9315 |
| 11 | 14631 |
| 12 | 18881 |
| 13 | 28549 |
| 14 | 35925 |
| 15 | 49059 |
| 16 | 61167 |
| 17 | 83505 |
| 18 | 95955 |
| 19 | 130303 |
| 20 | 148419 |
| 21 | 189205 |
| 22 | 219465 |
| 23 | 279819 |
| 24 | 302017 |
| 25 | 388121 |
| 26 | 428235 |
| 27 | 518155 |
| 28 | 572405 |
| 29 | 707253 |
| 30 | 735885 |
| 31 | 923491 |
| 32 | 978671 |
| 33 | 1155849 |
| 34 | 1252575 |
| 35 | 1487295 |
| 36 | 1528883 |
[1,15,79,239,621,1185,2395,3823,6397,9315,14631, 18881,28549,35925,49059,61167,83505,95955,130303, 148419,189205,219465,279819,302017,388121,428235, 518155,572405,707253,735885,923491,978671,1155849, 1252575,1487295,1528883] |