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| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 15 |
| 3 | 6 |
| 4 | 15 |
| 5 | 14 |
| 6 | 195 |
| 7 | 165 |
| 8 | 132 |
| 9 | 21 |
| 10 | 65 |
| 11 | 385 |
| 12 | 2210 |
| 13 | 13889 |
| 14 | 1640 |
| 15 | 110770 |
| 16 | 6685382 |
| 17 | 720 |
| 18 | 1974 |
| 19 | 2002 |
| 20 | 35 |
| 21 | 1015 |
| 22 | 85 |
| 23 | 160602 |
| 24 | 238 |
| 25 | 104 |
| 26 | 420 |
| 27 | 930930 |
| 28 | 42290521588224 |
| 29 | 348 |
| 30 | 95 |
| 31 | 270 |
| 32 | 957719 |
| 33 | 1309 |
| 34 | 7106 |
| 35 | 247 |
| 36 | 570 |
| 37 | 592 |
| 38 | 81473 |
| 39 | 31350 |
| 40 | 37646466 |
[3,15,6,15,14,195,165,132,21,65,385,2210,13889, 1640,110770,6685382,720,1974,2002,35,1015,85, 160602,238,104,420,930930,42290521588224,348,95, 270,957719,1309,7106,247,570,592,81473,31350, 37646466] |