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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 10 |
| 2 | 60 |
| 3 | 150 |
| 4 | 280 |
| 5 | 450 |
| 6 | 660 |
| 7 | 910 |
| 8 | 1200 |
| 9 | 1530 |
| 10 | 1900 |
| 11 | 2310 |
| 12 | 2760 |
| 13 | 3250 |
| 14 | 3780 |
| 15 | 4350 |
| 16 | 4960 |
| 17 | 5610 |
| 18 | 6300 |
| 19 | 7030 |
| 20 | 7800 |
| 21 | 8610 |
| 22 | 9460 |
| 23 | 10350 |
| 24 | 11280 |
| 25 | 12250 |
| 26 | 13260 |
| 27 | 14310 |
| 28 | 15400 |
| 29 | 16530 |
| 30 | 17700 |
| 31 | 18910 |
| 32 | 20160 |
| 33 | 21450 |
| 34 | 22780 |
| 35 | 24150 |
| 36 | 25560 |
| 37 | 27010 |
[0,10,60,150,280,450,660,910,1200,1530,1900,2310, 2760,3250,3780,4350,4960,5610,6300,7030,7800,8610, 9460,10350,11280,12250,13260,14310,15400,16530, 17700,18910,20160,21450,22780,24150,25560,27010] |