Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 1 |
5 | 1 |
6 | 1 |
7 | 19 |
8 | 31 |
9 | 615 |
10 | 1219 |
11 | 16139 |
12 | 42305 |
13 | 1128827 |
14 | 3502811 |
15 | 254593369 |
16 | 985218883 |
17 | 138612115423 |
18 | 664622922147 |
19 | 144116871368241 |
20 | 849726636226171 |
21 | 336332191825755637 |
[1,1,1,1,1,1,19,31,615,1219,16139,42305,1128827, 3502811,254593369,985218883,138612115423, 664622922147,144116871368241,849726636226171, 336332191825755637] |