Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 2 |
2 | 4 |
3 | 12 |
4 | 50 |
5 | 254 |
6 | 1524 |
7 | 10669 |
8 | 85357 |
9 | 768216 |
10 | 7682169 |
11 | 84503866 |
12 | 1014046395 |
13 | 13182603137 |
14 | 184556443918 |
15 | 2768346658779 |
16 | 44293546540479 |
17 | 752990291188151 |
18 | 13553825241386727 |
19 | 257522679586347822 |
20 | 5150453591726956442 |
[2,4,12,50,254,1524,10669,85357,768216,7682169, 84503866,1014046395,13182603137,184556443918, 2768346658779,44293546540479,752990291188151, 13553825241386727,257522679586347822, 5150453591726956442] |