Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 2 |
2 | 3 |
3 | 7 |
4 | 10 |
5 | 34 |
6 | 54 |
7 | 234 |
8 | 402 |
9 | 1938 |
10 | 17490 |
11 | 19590 |
12 | 209670 |
13 | 237390 |
14 | 2933070 |
15 | 43575630 |
16 | 696759630 |
17 | 697240110 |
18 | 12541643310 |
19 | 12550832490 |
20 | 250832355690 |
[2,3,7,10,34,54,234,402,1938,17490,19590,209670, 237390,2933070,43575630,696759630,697240110, 12541643310,12550832490,250832355690] |