Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 3 |
4 | 7 |
5 | 18 |
6 | 51 |
7 | 147 |
8 | 431 |
9 | 1295 |
10 | 3954 |
11 | 12219 |
12 | 38174 |
13 | 120373 |
14 | 382559 |
15 | 1224173 |
16 | 3940964 |
17 | 12754732 |
18 | 41476011 |
19 | 135446194 |
20 | 444016332 |
21 | 1460619970 |
22 | 4819995330 |
23 | 15951789030 |
24 | 52932499724 |
25 | 176073789065 |
26 | 587010353666 |
27 | 1961118581900 |
28 | 6564548926877 |
29 | 22013613082514 |
30 | 73945428978360 |
31 | 248781470115309 |
[1,1,1,3,7,18,51,147,431,1295,3954,12219,38174, 120373,382559,1224173,3940964,12754732,41476011, 135446194,444016332,1460619970,4819995330, 15951789030,52932499724,176073789065,587010353666, 1961118581900,6564548926877,22013613082514, 73945428978360,248781470115309] |