n | a(n) |
---|---|
1 | 2 |
2 | 15 |
3 | 34 |
4 | 101 |
5 | 320 |
6 | 1167 |
7 | 3961 |
8 | 13974 |
9 | 49388 |
10 | 171718 |
11 | 595933 |
12 | 2069269 |
13 | 7184407 |
14 | 24983410 |
15 | 87005062 |
16 | 303301112 |
17 | 1058018103 |
18 | 3691794974 |
19 | 12883245735 |
20 | 44960338427 |
21 | 156905033430 |
22 | 547579453383 |
23 | 1911021086139 |
24 | 6669509723637 |
[2,15,34,101,320,1167,3961,13974,49388,171718, 595933,2069269,7184407,24983410,87005062, 303301112,1058018103,3691794974,12883245735, 44960338427,156905033430,547579453383, 1911021086139,6669509723637] |