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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 13 |
| 3 | 61 |
| 4 | 185 |
| 5 | 440 |
| 6 | 896 |
| 7 | 1638 |
| 8 | 2766 |
| 9 | 4395 |
| 10 | 6655 |
| 11 | 9691 |
| 12 | 13663 |
| 13 | 18746 |
| 14 | 25130 |
| 15 | 33020 |
| 16 | 42636 |
| 17 | 54213 |
| 18 | 68001 |
| 19 | 84265 |
| 20 | 103285 |
| 21 | 125356 |
| 22 | 150788 |
| 23 | 179906 |
| 24 | 213050 |
| 25 | 250575 |
| 26 | 292851 |
| 27 | 340263 |
| 28 | 393211 |
| 29 | 452110 |
| 30 | 517390 |
| 31 | 589496 |
| 32 | 668888 |
| 33 | 756041 |
| 34 | 851445 |
| 35 | 955605 |
| 36 | 1069041 |
| 37 | 1192288 |
| 38 | 1325896 |
[1,13,61,185,440,896,1638,2766,4395,6655,9691, 13663,18746,25130,33020,42636,54213,68001,84265, 103285,125356,150788,179906,213050,250575,292851, 340263,393211,452110,517390,589496,668888,756041, 851445,955605,1069041,1192288,1325896] |