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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 0 |
| 6 | 0 |
| 7 | 0 |
| 8 | 0 |
| 9 | 0 |
| 10 | 0 |
| 11 | 0 |
| 12 | 0 |
| 13 | 0 |
| 14 | 0 |
| 15 | 0 |
| 16 | 0 |
| 17 | 0 |
| 18 | 0 |
| 19 | 0 |
| 20 | 0 |
| 21 | 51238 |
| 22 | 270164 |
| 23 | 409904 |
| 24 | 1947044 |
| 25 | 4057118 |
| 26 | 17476816 |
| 27 | 99448300 |
| 28 | 390689750 |
| 29 | 1445284240 |
| 30 | 5203023264 |
| 31 | 18055712240 |
| 32 | 59809546795 |
| 33 | 189973513945 |
| 34 | 581095454420 |
| 35 | 1709208146190 |
[1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,51238, 270164,409904,1947044,4057118,17476816,99448300, 390689750,1445284240,5203023264,18055712240, 59809546795,189973513945,581095454420, 1709208146190] |