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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 18 |
| 3 | 45 |
| 4 | 84 |
| 5 | 108 |
| 6 | 135 |
| 7 | 198 |
| 8 | 273 |
| 9 | 315 |
| 10 | 360 |
| 11 | 459 |
| 12 | 570 |
| 13 | 630 |
| 14 | 693 |
| 15 | 828 |
| 16 | 900 |
| 17 | 975 |
| 18 | 1053 |
| 19 | 1134 |
| 20 | 1305 |
| 21 | 1488 |
| 22 | 1584 |
| 23 | 1683 |
| 24 | 1785 |
| 25 | 1890 |
| 26 | 2109 |
| 27 | 2223 |
| 28 | 2340 |
| 29 | 2583 |
| 30 | 2838 |
| 31 | 2970 |
| 32 | 3105 |
| 33 | 3384 |
| 34 | 3528 |
| 35 | 3675 |
| 36 | 3825 |
| 37 | 3978 |
| 38 | 4293 |
| 39 | 4455 |
| 40 | 4620 |
| 41 | 4788 |
| 42 | 4959 |
| 43 | 5310 |
| 44 | 5673 |
| 45 | 5859 |
| 46 | 6048 |
| 47 | 6240 |
| 48 | 6435 |
[0,18,45,84,108,135,198,273,315,360,459,570,630, 693,828,900,975,1053,1134,1305,1488,1584,1683, 1785,1890,2109,2223,2340,2583,2838,2970,3105,3384, 3528,3675,3825,3978,4293,4455,4620,4788,4959,5310, 5673,5859,6048,6240,6435] |