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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 28 |
| 4 | 65 |
| 5 | 1126 |
| 6 | 219592 |
| 7 | 1210105 |
| 8 | 26891713 |
| 9 | 2147043538 |
| 10 | 2019029825126 |
| 11 | 21746314187335 |
| 12 | 770200602942872 |
| 13 | 54021095931416459 |
| 14 | 16833586753169817373 |
| 15 | 54446959965626243089903 |
| 16 | 1039787297277083116535233 |
[1,1,1,28,65,1126,219592,1210105,26891713, 2147043538,2019029825126,21746314187335, 770200602942872,54021095931416459, 16833586753169817373,54446959965626243089903, 1039787297277083116535233] |