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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 5 |
| 3 | 0 |
| 4 | 29 |
| 5 | 8 |
| 6 | 69 |
| 7 | 32 |
| 8 | 285 |
| 9 | 168 |
| 10 | 1029 |
| 11 | 992 |
| 12 | 5213 |
| 13 | 552 |
| 14 | 28933 |
| 15 | 10464 |
| 16 | 66909 |
| 17 | 57384 |
| 18 | 352005 |
| 19 | 8928 |
| 20 | 2036061 |
| 21 | 165928 |
| 22 | 7358213 |
| 23 | 3025632 |
| 24 | 18153821 |
| 25 | 8452136 |
| 26 | 75306757 |
| 27 | 42502880 |
| 28 | 272908637 |
| 29 | 237123624 |
| 30 | 1427199749 |
| 31 | 8915680 |
| 32 | 8527528285 |
| 33 | 170440744 |
| 34 | 33303058181 |
[1,0,5,0,29,8,69,32,285,168,1029,992,5213,552, 28933,10464,66909,57384,352005,8928,2036061, 165928,7358213,3025632,18153821,8452136,75306757, 42502880,272908637,237123624,1427199749,8915680, 8527528285,170440744,33303058181] |