n | a(n) |
---|---|
1 | 1 |
2 | 4 |
3 | 16 |
4 | 96 |
5 | 640 |
6 | 4480 |
7 | 32768 |
8 | 247552 |
9 | 1915904 |
10 | 15113216 |
11 | 121069568 |
12 | 982269952 |
13 | 8054767616 |
14 | 66651537408 |
15 | 555846729728 |
16 | 4667099709440 |
17 | 39420882583552 |
18 | 334730329587712 |
19 | 2855644020342784 |
20 | 24464860907569152 |
21 | 210393112063770624 |
22 | 1815582450311495680 |
23 | 15716738746688733184 |
24 | 136443973020569042944 |
25 | 1187652950607087534080 |
26 | 10362818914536380170240 |
[1,4,16,96,640,4480,32768,247552,1915904,15113216, 121069568,982269952,8054767616,66651537408, 555846729728,4667099709440,39420882583552, 334730329587712,2855644020342784, 24464860907569152,210393112063770624, 1815582450311495680,15716738746688733184, 136443973020569042944,1187652950607087534080, 10362818914536380170240] |