Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 12 |
5 | 56 |
6 | 290 |
7 | 1626 |
8 | 9735 |
9 | 61709 |
10 | 411840 |
11 | 2882513 |
12 | 21095851 |
13 | 161056199 |
14 | 1280069731 |
15 | 10572507465 |
16 | 90590477793 |
17 | 804013429416 |
18 | 7380298477188 |
19 | 69968725915172 |
20 | 684193449404263 |
21 | 6892242071154495 |
22 | 71440857358236502 |
[1,1,3,12,56,290,1626,9735,61709,411840,2882513, 21095851,161056199,1280069731,10572507465, 90590477793,804013429416,7380298477188, 69968725915172,684193449404263,6892242071154495, 71440857358236502] |