Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 13 |
4 | 61 |
5 | 341 |
6 | 2221 |
7 | 16045 |
8 | 127065 |
9 | 1097353 |
10 | 10231561 |
11 | 102133241 |
12 | 1085537509 |
13 | 12228389629 |
14 | 145369356861 |
15 | 1816987580101 |
16 | 23804010114481 |
17 | 325966118893457 |
18 | 4654236956576977 |
19 | 69138950655122929 |
20 | 1066449047096819901 |
21 | 17050138691821539781 |
[1,1,3,13,61,341,2221,16045,127065,1097353, 10231561,102133241,1085537509,12228389629, 145369356861,1816987580101,23804010114481, 325966118893457,4654236956576977, 69138950655122929,1066449047096819901, 17050138691821539781] |