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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 6 |
| 10 | 25 |
| 11 | 53 |
| 12 | 47 |
| 13 | 97 |
| 14 | 281 |
| 15 | 280 |
| 16 | 343 |
| 17 | 345 |
| 18 | 1367 |
| 19 | 619 |
| 20 | 2478 |
| 21 | 1504 |
| 22 | 8292 |
| 23 | 1811 |
| 24 | 16742 |
| 25 | 3458 |
| 26 | 48453 |
| 27 | 5459 |
| 28 | 95311 |
| 29 | 9416 |
| 30 | 333739 |
[0,0,0,0,0,0,0,0,6,25,53,47,97,281,280,343,345, 1367,619,2478,1504,8292,1811,16742,3458,48453, 5459,95311,9416,333739] |