Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 14 |
3 | 63 |
4 | 220 |
5 | 701 |
6 | 2154 |
7 | 6523 |
8 | 19640 |
9 | 59001 |
10 | 177094 |
11 | 531383 |
12 | 1594260 |
13 | 4782901 |
14 | 14348834 |
15 | 43046643 |
16 | 129140080 |
17 | 387420401 |
18 | 1162261374 |
19 | 3486784303 |
20 | 10460353100 |
21 | 31381059501 |
22 | 94143178714 |
23 | 282429536363 |
24 | 847288609320 |
25 | 2541865828201 |
26 | 7625597484854 |
27 | 22876792454823 |
28 | 68630377364740 |
[1,14,63,220,701,2154,6523,19640,59001,177094, 531383,1594260,4782901,14348834,43046643, 129140080,387420401,1162261374,3486784303, 10460353100,31381059501,94143178714,282429536363, 847288609320,2541865828201,7625597484854, 22876792454823,68630377364740] |