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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 0 |
| 4 | 3 |
| 5 | 0 |
| 6 | 0 |
| 7 | 6 |
| 8 | 3 |
| 9 | 1 |
| 10 | 0 |
| 11 | 10 |
| 12 | 15 |
| 13 | 66 |
| 14 | 94 |
| 15 | 0 |
| 16 | 15 |
| 17 | 45 |
| 18 | 920 |
| 19 | 97974 |
| 20 | 1047816 |
| 21 | 0 |
| 22 | 21 |
| 23 | 105 |
| 24 | 6350 |
| 25 | 10700090 |
| 26 | 481141220994 |
| 27 | 400140831558512 |
| 28 | 0 |
| 29 | 28 |
| 30 | 210 |
| 31 | 29505 |
| 32 | 390081800 |
| 33 | 4802390808840576 |
| 34 | 74515656021475803734579625 |
| 35 | 527471421741473576372948457251328 |
| 36 | 0 |
[0,1,0,3,0,0,6,3,1,0,10,15,66,94,0,15,45,920, 97974,1047816,0,21,105,6350,10700090,481141220994, 400140831558512,0,28,210,29505,390081800, 4802390808840576,74515656021475803734579625, 527471421741473576372948457251328,0] |