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| n | a(n) |
|---|---|
| 1 | 30 |
| 2 | 132 |
| 3 | 306 |
| 4 | 552 |
| 5 | 870 |
| 6 | 1260 |
| 7 | 1722 |
| 8 | 2256 |
| 9 | 2862 |
| 10 | 3540 |
| 11 | 4290 |
| 12 | 5112 |
| 13 | 6006 |
| 14 | 6972 |
| 15 | 8010 |
| 16 | 9120 |
| 17 | 10302 |
| 18 | 11556 |
| 19 | 12882 |
| 20 | 14280 |
| 21 | 15750 |
| 22 | 17292 |
| 23 | 18906 |
| 24 | 20592 |
| 25 | 22350 |
| 26 | 24180 |
| 27 | 26082 |
| 28 | 28056 |
| 29 | 30102 |
| 30 | 32220 |
| 31 | 34410 |
| 32 | 36672 |
| 33 | 39006 |
| 34 | 41412 |
| 35 | 43890 |
| 36 | 46440 |
| 37 | 49062 |
| 38 | 51756 |
| 39 | 54522 |
| 40 | 57360 |
| 41 | 60270 |
| 42 | 63252 |
[30,132,306,552,870,1260,1722,2256,2862,3540,4290, 5112,6006,6972,8010,9120,10302,11556,12882,14280, 15750,17292,18906,20592,22350,24180,26082,28056, 30102,32220,34410,36672,39006,41412,43890,46440, 49062,51756,54522,57360,60270,63252] |