Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 3 |
4 | 12 |
5 | 63 |
6 | 396 |
7 | 2926 |
8 | 24497 |
9 | 229757 |
10 | 2377153 |
11 | 26917186 |
12 | 330804783 |
13 | 4387399275 |
14 | 62455948949 |
15 | 950123048257 |
16 | 15384516283921 |
17 | 264229711285878 |
18 | 4798448004296966 |
19 | 91878671010619078 |
20 | 1850134691327469413 |
21 | 39088537892778891963 |
22 | 864610314507158356377 |
[1,1,3,12,63,396,2926,24497,229757,2377153, 26917186,330804783,4387399275,62455948949, 950123048257,15384516283921,264229711285878, 4798448004296966,91878671010619078, 1850134691327469413,39088537892778891963, 864610314507158356377] |