Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 7 |
4 | 28 |
5 | 143 |
6 | 858 |
7 | 6012 |
8 | 48101 |
9 | 432915 |
10 | 4329155 |
11 | 47620715 |
12 | 571448591 |
13 | 7428831692 |
14 | 104003643691 |
15 | 1560054655379 |
16 | 24960874486078 |
17 | 424334866263326 |
18 | 7638027592739873 |
19 | 145122524262057596 |
20 | 2902450485241151923 |
[1,2,7,28,143,858,6012,48101,432915,4329155, 47620715,571448591,7428831692,104003643691, 1560054655379,24960874486078,424334866263326, 7638027592739873,145122524262057596, 2902450485241151923] |