Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 16 |
5 | 57 |
6 | 224 |
7 | 934 |
8 | 4092 |
9 | 18581 |
10 | 86888 |
11 | 415856 |
12 | 2029160 |
13 | 10061161 |
14 | 50568680 |
15 | 257129888 |
16 | 1320619176 |
17 | 6842177174 |
18 | 35722456976 |
19 | 187772944964 |
20 | 992991472328 |
21 | 5279633960181 |
22 | 28208037066528 |
23 | 151373637844440 |
24 | 815568695756496 |
25 | 4410124252008112 |
[1,1,2,5,16,57,224,934,4092,18581,86888,415856, 2029160,10061161,50568680,257129888,1320619176, 6842177174,35722456976,187772944964,992991472328, 5279633960181,28208037066528,151373637844440, 815568695756496,4410124252008112] |