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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 2 |
| 3 | 3 |
| 4 | 12 |
| 5 | 15 |
| 6 | 36 |
| 7 | 42 |
| 8 | 80 |
| 9 | 90 |
| 10 | 150 |
| 11 | 165 |
| 12 | 252 |
| 13 | 273 |
| 14 | 392 |
| 15 | 420 |
| 16 | 576 |
| 17 | 612 |
| 18 | 810 |
| 19 | 855 |
| 20 | 1100 |
| 21 | 1155 |
| 22 | 1452 |
| 23 | 1518 |
| 24 | 1872 |
| 25 | 1950 |
| 26 | 2366 |
| 27 | 2457 |
| 28 | 2940 |
| 29 | 3045 |
| 30 | 3600 |
| 31 | 3720 |
| 32 | 4352 |
| 33 | 4488 |
| 34 | 5202 |
| 35 | 5355 |
| 36 | 6156 |
| 37 | 6327 |
| 38 | 7220 |
| 39 | 7410 |
| 40 | 8400 |
[0,0,2,3,12,15,36,42,80,90,150,165,252,273,392, 420,576,612,810,855,1100,1155,1452,1518,1872,1950, 2366,2457,2940,3045,3600,3720,4352,4488,5202,5355, 6156,6327,7220,7410,8400] |