Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 13 |
3 | 65 |
4 | 355 |
5 | 2061 |
6 | 12501 |
7 | 78323 |
8 | 503033 |
9 | 3294373 |
10 | 21916883 |
11 | 147708777 |
12 | 1006330457 |
13 | 6919474163 |
14 | 47956087733 |
15 | 334658965641 |
16 | 2349535729811 |
17 | 16583609673797 |
18 | 117608812053277 |
19 | 837626242775875 |
20 | 5988634758319665 |
[1,3,13,65,355,2061,12501,78323,503033,3294373, 21916883,147708777,1006330457,6919474163, 47956087733,334658965641,2349535729811, 16583609673797,117608812053277,837626242775875, 5988634758319665] |