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| n | a(n) |
|---|---|
| 11 | 945 |
| 12 | 140160 |
| 13 | 8451954 |
| 14 | 354288384 |
| 15 | 12220104063 |
| 16 | 375886190592 |
| 17 | 10790720535960 |
| 18 | 297346489233408 |
| 19 | 8010916259737230 |
| 20 | 213667262746914816 |
| 21 | 5691371451612082740 |
| 22 | 152338392950319636480 |
| 23 | 4115775817227930936570 |
| 24 | 112602904310385883054080 |
| 25 | 3126998971137511212293880 |
[945,140160,8451954,354288384,12220104063, 375886190592,10790720535960,297346489233408, 8010916259737230,213667262746914816, 5691371451612082740,152338392950319636480, 4115775817227930936570,112602904310385883054080, 3126998971137511212293880] |