n | a(n) |
---|---|
1 | 21 |
2 | 23 |
3 | 94 |
4 | 217 |
5 | 661 |
6 | 2013 |
7 | 6311 |
8 | 19497 |
9 | 60253 |
10 | 186797 |
11 | 578385 |
12 | 1790605 |
13 | 5545571 |
14 | 17172267 |
15 | 53173813 |
16 | 164661159 |
17 | 509890659 |
18 | 1578918645 |
19 | 4889288817 |
20 | 15140189411 |
21 | 46883090855 |
22 | 145178205375 |
23 | 449559001303 |
24 | 1392104734057 |
25 | 4310792424591 |
[21,23,94,217,661,2013,6311,19497,60253,186797, 578385,1790605,5545571,17172267,53173813, 164661159,509890659,1578918645,4889288817, 15140189411,46883090855,145178205375,449559001303, 1392104734057,4310792424591] |