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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 2 |
| 4 | 24 |
| 5 | 15 |
| 6 | 45 |
| 7 | 35 |
| 8 | 280 |
| 9 | 630 |
| 10 | 2100 |
| 11 | 2310 |
| 12 | 27720 |
| 13 | 10010 |
| 14 | 140140 |
| 15 | 150150 |
| 16 | 480480 |
| 17 | 255255 |
| 18 | 2297295 |
| 19 | 4849845 |
| 20 | 96996900 |
| 21 | 101846745 |
| 22 | 106696590 |
| 23 | 111546435 |
| 24 | 669278610 |
| 25 | 929553625 |
| 26 | 966735770 |
| 27 | 1003917915 |
| 28 | 3123300180 |
| 29 | 3234846615 |
| 30 | 48522699225 |
| 31 | 100280245065 |
| 32 | 1604483921040 |
| 33 | 6618496174290 |
| 34 | 6819056664420 |
| 35 | 7019617154550 |
| 36 | 7220177644680 |
[1,2,2,24,15,45,35,280,630,2100,2310,27720,10010, 140140,150150,480480,255255,2297295,4849845, 96996900,101846745,106696590,111546435,669278610, 929553625,966735770,1003917915,3123300180, 3234846615,48522699225,100280245065,1604483921040, 6618496174290,6819056664420,7019617154550, 7220177644680] |