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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 6 |
| 3 | 3 |
| 4 | 10 |
| 5 | 15 |
| 6 | 30 |
| 7 | 210 |
| 8 | 21 |
| 9 | 14 |
| 10 | 5 |
| 11 | 22 |
| 12 | 1155 |
| 13 | 462 |
| 14 | 35 |
| 15 | 70 |
| 16 | 858 |
| 17 | 39 |
| 18 | 910 |
| 19 | 55 |
| 20 | 330 |
| 21 | 105 |
| 22 | 1870 |
| 23 | 3315 |
| 24 | 72930 |
| 25 | 5005 |
| 26 | 2002 |
| 27 | 33 |
| 28 | 42 |
| 29 | 9699690 |
| 30 | 5187 |
| 31 | 2926 |
| 32 | 85 |
| 33 | 714 |
| 34 | 2145 |
| 35 | 770 |
| 36 | 7 |
| 37 | 46 |
| 38 | 111546435 |
| 39 | 238602 |
| 40 | 11305 |
| 41 | 248710 |
| 42 | 3927 |
| 43 | 390 |
| 44 | 77 |
| 45 | 154 |
| 46 | 4002 |
| 47 | 87 |
| 48 | 93763670 |
| 49 | 21505 |
| 50 | 152490 |
| 51 | 440895 |
| 52 | 3094 |
| 53 | 91 |
| 54 | 546 |
| 55 | 231 |
| 56 | 7130 |
| 57 | 13485 |
| 58 | 620310 |
| 59 | 1078282205 |
| 60 | 2306486 |
| 61 | 9867 |
| 62 | 114114 |
| 63 | 17017 |
| 64 | 170170 |
| 65 | 1365 |
| 66 | 2310 |
[2,6,3,10,15,30,210,21,14,5,22,1155,462,35,70,858, 39,910,55,330,105,1870,3315,72930,5005,2002,33,42, 9699690,5187,2926,85,714,2145,770,7,46,111546435, 238602,11305,248710,3927,390,77,154,4002,87, 93763670,21505,152490,440895,3094,91,546,231,7130, 13485,620310,1078282205,2306486,9867,114114,17017, 170170,1365,2310] |