Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 3 |
4 | 5 |
5 | 15 |
6 | 51 |
7 | 305 |
8 | 1059 |
9 | 4083 |
10 | 117737 |
11 | 3775459 |
12 | 19465955 |
13 | 952896293 |
14 | 13613071346 |
15 | 14565967639 |
16 | 112716155924 |
17 | 11073544747197 |
18 | 637616871476643 |
19 | 11027737075804991 |
20 | 3056322734187753262 |
21 | 542921033413649799807 |
22 | 8189660342217563295915 |
23 | 515222301162241572644117 |
[1,2,3,5,15,51,305,1059,4083,117737,3775459, 19465955,952896293,13613071346,14565967639, 112716155924,11073544747197,637616871476643, 11027737075804991,3056322734187753262, 542921033413649799807,8189660342217563295915, 515222301162241572644117] |