Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 14 |
3 | 56 |
4 | 446 |
5 | 2152 |
6 | 18248 |
7 | 97120 |
8 | 848254 |
9 | 4796552 |
10 | 42454664 |
11 | 250140640 |
12 | 2226532712 |
13 | 13516860320 |
14 | 120553738144 |
15 | 748819997056 |
16 | 6679690686334 |
17 | 42254745008840 |
18 | 376638926040392 |
19 | 2418457241945056 |
20 | 21530200591563496 |
21 | 139992790135717792 |
22 | 1244418656720926624 |
23 | 8178446389043428736 |
[1,2,14,56,446,2152,18248,97120,848254,4796552, 42454664,250140640,2226532712,13516860320, 120553738144,748819997056,6679690686334, 42254745008840,376638926040392,2418457241945056, 21530200591563496,139992790135717792, 1244418656720926624,8178446389043428736] |