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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 8 |
| 2 | 136 |
| 3 | 6232 |
| 4 | 854848 |
| 5 | 373259224 |
| 6 | 540477342400 |
| 7 | 2672052251004112 |
| 8 | 46088422295844824512 |
| 9 | 2819594595499446574537112 |
| 10 | 619804662273405542773923781504 |
| 11 | 494669890490702036481614523776214128 |
| 12 | 1445689562032160359098054773761542867676352 |
| 13 | 15582205179106128515694061249394708070061006521840 |
| 14 | 623164384826393004269624677225320058520632702496162024576 |
| 15 | 92950754406669433360560292231532867334028809841256765779355298464 |
| 16 | 51944751631411703759398930923077536382840396924192243346470672357124333952 |
[1,8,136,6232,854848,373259224,540477342400, 2672052251004112,46088422295844824512, 2819594595499446574537112, 619804662273405542773923781504, 494669890490702036481614523776214128, 1445689562032160359098054773761542867676352, 15582205179106128515694061249394708070061006521840\ , 62316438482639300426962467722532005852063270249616\ 2024576, 92950754406669433360560292231532867334028809841256\ 765779355298464, 51944751631411703759398930923077536382840396924192\ 243346470672357124333952] |