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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 2 |
| 4 | 6 |
| 5 | 12 |
| 6 | 24 |
| 7 | 40 |
| 8 | 60 |
| 9 | 90 |
| 10 | 126 |
| 11 | 168 |
| 12 | 224 |
| 13 | 288 |
| 14 | 360 |
| 15 | 450 |
| 16 | 550 |
| 17 | 660 |
| 18 | 792 |
| 19 | 936 |
| 20 | 1092 |
| 21 | 1274 |
| 22 | 1470 |
| 23 | 1680 |
| 24 | 1920 |
| 25 | 2176 |
| 26 | 2448 |
| 27 | 2754 |
| 28 | 3078 |
| 29 | 3420 |
| 30 | 3800 |
| 31 | 4200 |
| 32 | 4620 |
| 33 | 5082 |
| 34 | 5566 |
| 35 | 6072 |
| 36 | 6624 |
| 37 | 7200 |
| 38 | 7800 |
| 39 | 8450 |
| 40 | 9126 |
| 41 | 9828 |
| 42 | 10584 |
| 43 | 11368 |
| 44 | 12180 |
| 45 | 13050 |
| 46 | 13950 |
| 47 | 14880 |
| 48 | 15872 |
[0,0,2,6,12,24,40,60,90,126,168,224,288,360,450, 550,660,792,936,1092,1274,1470,1680,1920,2176, 2448,2754,3078,3420,3800,4200,4620,5082,5566,6072, 6624,7200,7800,8450,9126,9828,10584,11368,12180, 13050,13950,14880,15872] |