n | a(n) |
---|---|
1 | 4 |
2 | 16 |
3 | 61 |
4 | 229 |
5 | 852 |
6 | 3146 |
7 | 11536 |
8 | 42032 |
9 | 152254 |
10 | 548568 |
11 | 1966757 |
12 | 7019311 |
13 | 24946486 |
14 | 88313632 |
15 | 311507619 |
16 | 1095064315 |
17 | 3837407016 |
18 | 13407618832 |
19 | 46715533678 |
20 | 162345449332 |
21 | 562801287366 |
22 | 1946559269050 |
23 | 6717910370343 |
24 | 23136984979001 |
[4,16,61,229,852,3146,11536,42032,152254,548568, 1966757,7019311,24946486,88313632,311507619, 1095064315,3837407016,13407618832,46715533678, 162345449332,562801287366,1946559269050, 6717910370343,23136984979001] |