Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 3 |
4 | 6 |
5 | 7 |
6 | 25 |
7 | 75 |
8 | 159 |
9 | 253 |
10 | 543 |
11 | 2172 |
12 | 6354 |
13 | 17004 |
14 | 39463 |
15 | 29281 |
16 | 146405 |
17 | 532130 |
18 | 1841650 |
19 | 6808765 |
20 | 24196201 |
21 | 3781503 |
22 | 22689018 |
23 | 97165485 |
24 | 395729820 |
25 | 1801073385 |
26 | 9917482698 |
27 | 56481554827 |
[1,1,1,3,6,7,25,75,159,253,543,2172,6354,17004, 39463,29281,146405,532130,1841650,6808765, 24196201,3781503,22689018,97165485,395729820, 1801073385,9917482698,56481554827] |