Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 19 |
4 | 69 |
5 | 266 |
6 | 1064 |
7 | 4363 |
8 | 18277 |
9 | 77918 |
10 | 336500 |
11 | 1468192 |
12 | 6462863 |
13 | 28663461 |
14 | 127926470 |
15 | 574016728 |
16 | 2587773401 |
17 | 11714398489 |
18 | 53221797551 |
19 | 242580513410 |
20 | 1108851682027 |
21 | 5081788567173 |
22 | 23344048991986 |
23 | 107462882959534 |
24 | 495658287399097 |
25 | 2290218838590966 |
26 | 10599364955357158 |
27 | 49128757432939238 |
[1,2,6,19,69,266,1064,4363,18277,77918,336500, 1468192,6462863,28663461,127926470,574016728, 2587773401,11714398489,53221797551,242580513410, 1108851682027,5081788567173,23344048991986, 107462882959534,495658287399097,2290218838590966, 10599364955357158,49128757432939238] |