n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 2 |
3 | 5 |
4 | 14 |
5 | 40 |
6 | 111 |
7 | 300 |
8 | 797 |
9 | 2098 |
10 | 5499 |
11 | 14389 |
12 | 37634 |
13 | 98435 |
14 | 257516 |
15 | 673827 |
16 | 1763460 |
17 | 4615686 |
18 | 12082137 |
19 | 31628294 |
[1,1,2,5,14,40,111,300,797,2098,5499,14389,37634, 98435,257516,673827,1763460,4615686,12082137, 31628294] |