Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 4 |
2 | 13 |
3 | 49 |
4 | 373 |
5 | 2259 |
6 | 18114 |
7 | 120058 |
8 | 959041 |
9 | 6725380 |
10 | 53524100 |
11 | 389145239 |
12 | 3078502323 |
13 | 22909373317 |
14 | 180462930528 |
15 | 1364622501692 |
16 | 10722180215723 |
17 | 81993405397067 |
18 | 643447267719348 |
19 | 4960055945696896 |
20 | 38910411283028492 |
[4,13,49,373,2259,18114,120058,959041,6725380, 53524100,389145239,3078502323,22909373317, 180462930528,1364622501692,10722180215723, 81993405397067,643447267719348,4960055945696896, 38910411283028492] |