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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 0 |
| 3 | 2 |
| 4 | 0 |
| 5 | 2 |
| 6 | 6 |
| 7 | 0 |
| 8 | 6 |
| 9 | 14 |
| 10 | 22 |
| 11 | 0 |
| 12 | 28 |
| 13 | 56 |
| 14 | 86 |
| 15 | 92 |
| 16 | 0 |
| 17 | 162 |
| 18 | 298 |
| 19 | 428 |
| 20 | 518 |
| 21 | 422 |
| 22 | 0 |
| 23 | 1076 |
| 24 | 1868 |
| 25 | 2562 |
| 26 | 3096 |
| 27 | 3144 |
| 28 | 2074 |
| 29 | 0 |
| 30 | 7852 |
| 31 | 13076 |
| 32 | 17292 |
| 33 | 20624 |
| 34 | 21990 |
| 35 | 19366 |
| 36 | 10754 |
[1,0,2,0,2,6,0,6,14,22,0,28,56,86,92,0,162,298, 428,518,422,0,1076,1868,2562,3096,3144,2074,0, 7852,13076,17292,20624,21990,19366,10754] |