Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 0 |
1 | 0 |
2 | 2 |
3 | 6 |
4 | 26 |
5 | 130 |
6 | 782 |
7 | 5474 |
8 | 43794 |
9 | 394146 |
10 | 3941462 |
11 | 43356082 |
12 | 520272986 |
13 | 6763548818 |
14 | 94689683454 |
15 | 1420345251810 |
16 | 22725524028962 |
17 | 386333908492354 |
18 | 6954010352862374 |
19 | 132126196704385106 |
20 | 2642523934087702122 |
21 | 55493002615841744562 |
22 | 1220846057548518380366 |
[0,0,2,6,26,130,782,5474,43794,394146,3941462, 43356082,520272986,6763548818,94689683454, 1420345251810,22725524028962,386333908492354, 6954010352862374,132126196704385106, 2642523934087702122,55493002615841744562, 1220846057548518380366] |