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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
| 6 | 6 |
| 7 | 6 |
| 8 | 12 |
| 9 | 15 |
| 10 | 30 |
| 11 | 21 |
| 12 | 60 |
| 13 | 35 |
| 14 | 84 |
| 15 | 105 |
| 16 | 140 |
| 17 | 84 |
| 18 | 210 |
| 19 | 165 |
| 20 | 280 |
| 21 | 315 |
| 22 | 360 |
| 23 | 385 |
| 24 | 504 |
| 25 | 495 |
| 26 | 630 |
| 27 | 693 |
| 28 | 792 |
| 29 | 819 |
| 30 | 990 |
| 31 | 1001 |
| 32 | 1170 |
| 33 | 1287 |
| 34 | 1430 |
| 35 | 1365 |
| 36 | 1716 |
| 37 | 1683 |
| 38 | 2002 |
| 39 | 2145 |
| 40 | 2310 |
| 41 | 2431 |
| 42 | 2730 |
| 43 | 2805 |
| 44 | 3120 |
| 45 | 3315 |
| 46 | 3570 |
| 47 | 3705 |
| 48 | 4080 |
| 49 | 4199 |
| 50 | 4560 |
| 51 | 4845 |
| 52 | 5168 |
[0,0,1,2,3,6,6,12,15,30,21,60,35,84,105,140,84, 210,165,280,315,360,385,504,495,630,693,792,819, 990,1001,1170,1287,1430,1365,1716,1683,2002,2145, 2310,2431,2730,2805,3120,3315,3570,3705,4080,4199, 4560,4845,5168] |