n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 3 |
3 | 6 |
4 | 13 |
5 | 28 |
6 | 62 |
7 | 140 |
8 | 320 |
9 | 740 |
10 | 1728 |
11 | 4068 |
12 | 9645 |
13 | 23010 |
14 | 55195 |
15 | 133042 |
16 | 322078 |
17 | 782758 |
18 | 1909091 |
19 | 4671098 |
20 | 11462607 |
21 | 28204212 |
22 | 69569278 |
23 | 171993316 |
24 | 426111203 |
25 | 1057757858 |
26 | 2630527679 |
27 | 6552998126 |
28 | 16350465147 |
29 | 40857321696 |
30 | 102239831436 |
[1,2,3,6,13,28,62,140,320,740,1728,4068,9645, 23010,55195,133042,322078,782758,1909091,4671098, 11462607,28204212,69569278,171993316,426111203, 1057757858,2630527679,6552998126,16350465147, 40857321696,102239831436] |