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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 11 |
| 3 | 187 |
| 4 | 8773 |
| 5 | 839646 |
| 6 | 133300339 |
| 7 | 31291905772 |
| 8 | 10122557147385 |
| 9 | 4300934246160076 |
| 10 | 2317558708205485081 |
| 11 | 1541860131242384674128 |
| 12 | 1239881178206743212010765 |
| 13 | 1184508936070261192267164198 |
| 14 | 1325258287136553589782331922050 |
| 15 | 1715621657359292790451015326356731 |
| 16 | 2543410864718645478299008219865041201 |
| 17 | 4279628364701395837326264606420611392952 |
[1,2,11,187,8773,839646,133300339,31291905772, 10122557147385,4300934246160076, 2317558708205485081,1541860131242384674128, 1239881178206743212010765, 1184508936070261192267164198, 1325258287136553589782331922050, 1715621657359292790451015326356731, 2543410864718645478299008219865041201, 4279628364701395837326264606420611392952] |