n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 22 |
4 | 94 |
5 | 454 |
6 | 2430 |
7 | 14214 |
8 | 89918 |
9 | 610182 |
10 | 4412798 |
11 | 33827974 |
12 | 273646526 |
13 | 2326980998 |
14 | 20732504062 |
15 | 192982729350 |
16 | 1871953992254 |
17 | 18880288847750 |
18 | 197601208474238 |
19 | 2142184050841734 |
20 | 24016181943732414 |
21 | 278028611833689478 |
22 | 3319156078802044158 |
23 | 40811417293301014150 |
[1,2,6,22,94,454,2430,14214,89918,610182,4412798, 33827974,273646526,2326980998,20732504062, 192982729350,1871953992254,18880288847750, 197601208474238,2142184050841734, 24016181943732414,278028611833689478, 3319156078802044158,40811417293301014150] |