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| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 4 |
| 3 | 6 |
| 4 | 4 |
| 5 | 10 |
| 6 | 10 |
| 7 | 6 |
| 8 | 20 |
| 9 | 6 |
| 10 | 8 |
| 11 | 28 |
| 12 | 56 |
| 13 | 70 |
| 14 | 56 |
| 15 | 28 |
| 16 | 8 |
| 17 | 36 |
| 18 | 84 |
| 19 | 126 |
| 20 | 126 |
| 21 | 84 |
| 22 | 36 |
| 23 | 10 |
| 24 | 120 |
| 25 | 210 |
| 26 | 252 |
| 27 | 210 |
| 28 | 120 |
| 29 | 10 |
| 30 | 330 |
| 31 | 462 |
| 32 | 462 |
| 33 | 330 |
| 34 | 12 |
| 35 | 66 |
| 36 | 220 |
| 37 | 792 |
| 38 | 924 |
| 39 | 792 |
| 40 | 220 |
| 41 | 66 |
| 42 | 12 |
| 43 | 78 |
| 44 | 286 |
| 45 | 1716 |
| 46 | 1716 |
| 47 | 286 |
| 48 | 78 |
| 49 | 14 |
| 50 | 364 |
| 51 | 2002 |
| 52 | 3432 |
| 53 | 2002 |
| 54 | 364 |
| 55 | 14 |
| 56 | 16 |
| 57 | 120 |
| 58 | 560 |
| 59 | 1820 |
[2,4,6,4,10,10,6,20,6,8,28,56,70,56,28,8,36,84, 126,126,84,36,10,120,210,252,210,120,10,330,462, 462,330,12,66,220,792,924,792,220,66,12,78,286, 1716,1716,286,78,14,364,2002,3432,2002,364,14,16, 120,560,1820] |