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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 2 |
| 3 | 36 |
| 4 | 98 |
| 5 | 198 |
| 6 | 330 |
| 7 | 494 |
| 8 | 690 |
| 9 | 918 |
| 10 | 1178 |
| 11 | 1470 |
| 12 | 1794 |
| 13 | 2150 |
| 14 | 2538 |
| 15 | 2958 |
| 16 | 3410 |
| 17 | 3894 |
| 18 | 4410 |
| 19 | 4958 |
| 20 | 5538 |
| 21 | 6150 |
| 22 | 6794 |
| 23 | 7470 |
| 24 | 8178 |
| 25 | 8918 |
| 26 | 9690 |
| 27 | 10494 |
| 28 | 11330 |
| 29 | 12198 |
| 30 | 13098 |
| 31 | 14030 |
| 32 | 14994 |
| 33 | 15990 |
| 34 | 17018 |
| 35 | 18078 |
| 36 | 19170 |
| 37 | 20294 |
| 38 | 21450 |
| 39 | 22638 |
| 40 | 23858 |
| 41 | 25110 |
| 42 | 26394 |
[0,2,36,98,198,330,494,690,918,1178,1470,1794, 2150,2538,2958,3410,3894,4410,4958,5538,6150,6794, 7470,8178,8918,9690,10494,11330,12198,13098,14030, 14994,15990,17018,18078,19170,20294,21450,22638, 23858,25110,26394] |