n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 48 |
3 | 912 |
4 | 21184 |
5 | 552320 |
6 | 15532032 |
7 | 460947712 |
8 | 14247537664 |
9 | 454761822208 |
10 | 14902431522816 |
11 | 499315007266816 |
12 | 17054726818791424 |
13 | 592541668923539456 |
14 | 20907267781281054720 |
15 | 748286964823747526656 |
16 | 27143591551031801806848 |
17 | 27143591551031801806848 |
18 | 997356616630147913089024 |
19 | 37108619649604340227768320 |
20 | 1397931208210552892111716352 |
21 | 53322215792785853528148017152 |
22 | 2059866344459108561028558880768 |
23 | 80619871370319975775336625340416 |
[1,4,48,912,21184,552320,15532032,460947712, 14247537664,454761822208,14902431522816, 499315007266816,17054726818791424, 592541668923539456,20907267781281054720, 748286964823747526656,27143591551031801806848, 27143591551031801806848,997356616630147913089024, 37108619649604340227768320, 1397931208210552892111716352, 53322215792785853528148017152, 2059866344459108561028558880768, 80619871370319975775336625340416] |