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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 0 |
| 4 | 7 |
| 5 | 7 |
| 6 | 21 |
| 7 | 8 |
| 8 | 97 |
| 9 | 76 |
| 10 | 269 |
| 11 | 76 |
| 12 | 1805 |
| 13 | 1644 |
| 14 | 5725 |
| 15 | 3604 |
| 16 | 27201 |
| 17 | 20500 |
| 18 | 67265 |
| 19 | 21204 |
| 20 | 467433 |
| 21 | 393472 |
| 22 | 1464445 |
| 23 | 924444 |
| 24 | 6971221 |
| 25 | 5255552 |
| 26 | 17216949 |
| 27 | 5405680 |
| 28 | 119556629 |
| 29 | 100860096 |
| 30 | 375016085 |
| 31 | 236454912 |
| 32 | 1784410613 |
| 33 | 1346036016 |
| 34 | 4406938645 |
| 35 | 1380720960 |
[1,0,1,0,7,7,21,8,97,76,269,76,1805,1644,5725, 3604,27201,20500,67265,21204,467433,393472, 1464445,924444,6971221,5255552,17216949,5405680, 119556629,100860096,375016085,236454912, 1784410613,1346036016,4406938645,1380720960] |