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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 7 |
| 3 | 4 |
| 4 | 19 |
| 5 | 10 |
| 6 | 96 |
| 7 | 107 |
| 8 | 354 |
| 9 | 100 |
| 10 | 1901 |
| 11 | 1388 |
| 12 | 4205 |
| 13 | 3948 |
| 14 | 28013 |
| 15 | 27756 |
| 16 | 93549 |
| 17 | 28012 |
| 18 | 486765 |
| 19 | 355692 |
| 20 | 1076333 |
| 21 | 1011180 |
| 22 | 7171373 |
| 23 | 7105772 |
| 24 | 23948461 |
| 25 | 7171244 |
| 26 | 124611757 |
| 27 | 90991788 |
| 28 | 275606701 |
| 29 | 258829484 |
| 30 | 1835822253 |
| 31 | 1819241644 |
| 32 | 6130592941 |
| 33 | 1835429036 |
[1,0,7,4,19,10,96,107,354,100,1901,1388,4205,3948, 28013,27756,93549,28012,486765,355692,1076333, 1011180,7171373,7105772,23948461,7171244, 124611757,90991788,275606701,258829484,1835822253, 1819241644,6130592941,1835429036] |