n | a(n) |
---|---|
0 | 2 |
1 | 2 |
2 | 2 |
3 | 4 |
4 | 10 |
5 | 32 |
6 | 122 |
7 | 544 |
8 | 2770 |
9 | 15872 |
10 | 101042 |
11 | 707584 |
12 | 5405530 |
13 | 44736512 |
14 | 398721962 |
15 | 3807514624 |
16 | 38783024290 |
17 | 419730685952 |
18 | 4809759350882 |
19 | 58177770225664 |
20 | 740742376475050 |
21 | 9902996106248192 |
22 | 138697748786275802 |
23 | 2030847773013704704 |
24 | 31029068327114173810 |
25 | 493842960380415967232 |
[2,2,2,4,10,32,122,544,2770,15872,101042,707584, 5405530,44736512,398721962,3807514624,38783024290, 419730685952,4809759350882,58177770225664, 740742376475050,9902996106248192, 138697748786275802,2030847773013704704, 31029068327114173810,493842960380415967232] |