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 | 69 |
5 | 219 |
6 | 221 |
7 | 224 |
8 | 254 |
9 | 1772 |
10 | 2181 |
11 | 15463 |
12 | 50807 |
13 | 63551 |
14 | 94236 |
15 | 161257 |
16 | 602962 |
17 | 2105689 |
18 | 8371756 |
19 | 2115856505 |
20 | 2539027806 |
21 | 5472276593 |
22 | 6819131191 |
23 | 15442198064 |
24 | 16190055003 |
25 | 46870943027 |
[1,2,3,69,219,221,224,254,1772,2181,15463,50807, 63551,94236,161257,602962,2105689,8371756, 2115856505,2539027806,5472276593,6819131191, 15442198064,16190055003,46870943027] |