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| n | a(n) |
|---|---|
| 1 | 60 |
| 2 | 260 |
| 3 | 1220 |
| 4 | 1660 |
| 5 | 1780 |
| 6 | 3620 |
| 7 | 4460 |
| 8 | 4660 |
| 9 | 6260 |
| 10 | 6340 |
| 11 | 6980 |
| 12 | 7580 |
| 13 | 11140 |
| 14 | 13180 |
| 15 | 13460 |
| 16 | 14020 |
| 17 | 14540 |
| 18 | 15380 |
| 19 | 16220 |
| 20 | 18220 |
| 21 | 19060 |
| 22 | 20180 |
| 23 | 21940 |
| 24 | 22180 |
| 25 | 23260 |
| 26 | 26420 |
| 27 | 28780 |
| 28 | 29620 |
| 29 | 30980 |
| 30 | 31660 |
| 31 | 33860 |
| 32 | 35540 |
| 33 | 37220 |
| 34 | 38620 |
| 35 | 39860 |
| 36 | 40580 |
[60,260,1220,1660,1780,3620,4460,4660,6260,6340, 6980,7580,11140,13180,13460,14020,14540,15380, 16220,18220,19060,20180,21940,22180,23260,26420, 28780,29620,30980,31660,33860,35540,37220,38620, 39860,40580] |