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| n | a(n) |
|---|---|
| 2 | 2 |
| 3 | 8 |
| 4 | 98 |
| 5 | 4112 |
| 6 | 532270 |
| 7 | 212372938 |
| 8 | 263708907212 |
| 9 | 1013068026356376 |
| 10 | 11955420069208095720 |
| 11 | 432101605951906251627394 |
| 12 | 47778407166747833830058004150 |
| 13 | 16149888968763663448192636077980754 |
| 14 | 16675786862526496319891707194153887550752 |
| 15 | 52568166380872328447478940416604864445574575710 |
[2,8,98,4112,532270,212372938,263708907212, 1013068026356376,11955420069208095720, 432101605951906251627394, 47778407166747833830058004150, 16149888968763663448192636077980754, 16675786862526496319891707194153887550752, 52568166380872328447478940416604864445574575710] |