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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 15 |
| 3 | 55 |
| 4 | 78 |
| 5 | 231 |
| 6 | 528 |
| 7 | 595 |
| 8 | 1176 |
| 9 | 1891 |
| 10 | 2346 |
| 11 | 3081 |
| 12 | 4560 |
| 13 | 5671 |
| 14 | 7260 |
| 15 | 9591 |
| 16 | 11628 |
| 17 | 16471 |
| 18 | 29890 |
| 19 | 21945 |
| 20 | 24976 |
| 21 | 37675 |
| 22 | 34980 |
| 23 | 38503 |
| 24 | 50086 |
| 25 | 54285 |
| 26 | 63190 |
| 27 | 65341 |
| 28 | 73920 |
| 29 | 85905 |
| 30 | 93096 |
| 31 | 104653 |
| 32 | 119316 |
| 33 | 130305 |
| 34 | 145530 |
| 35 | 155403 |
| 36 | 182710 |
| 37 | 188191 |
[3,15,55,78,231,528,595,1176,1891,2346,3081,4560, 5671,7260,9591,11628,16471,29890,21945,24976, 37675,34980,38503,50086,54285,63190,65341,73920, 85905,93096,104653,119316,130305,145530,155403, 182710,188191] |