Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 4 |
5 | 12 |
6 | 34 |
7 | 136 |
8 | 500 |
9 | 2440 |
10 | 10900 |
11 | 61912 |
12 | 322768 |
13 | 2075312 |
14 | 12297768 |
15 | 87852160 |
16 | 580849872 |
17 | 4548247264 |
18 | 33093252880 |
19 | 281121815712 |
20 | 2227152575552 |
21 | 20358402201792 |
22 | 174131286983712 |
23 | 1701534399324544 |
24 | 15604440074084672 |
[1,1,2,4,12,34,136,500,2440,10900,61912,322768, 2075312,12297768,87852160,580849872,4548247264, 33093252880,281121815712,2227152575552, 20358402201792,174131286983712,1701534399324544, 15604440074084672] |