Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 4 |
4 | 11 |
5 | 27 |
6 | 80 |
7 | 218 |
8 | 654 |
9 | 1923 |
10 | 5924 |
11 | 18310 |
12 | 58176 |
13 | 186341 |
14 | 606814 |
15 | 1993420 |
16 | 6618160 |
17 | 22134640 |
[1,2,4,11,27,80,218,654,1923,5924,18310,58176, 186341,606814,1993420,6618160,22134640] |