n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 1 |
3 | 2 |
4 | 3 |
5 | 6 |
6 | 13 |
7 | 26 |
8 | 55 |
9 | 122 |
10 | 283 |
11 | 669 |
12 | 1650 |
13 | 4176 |
14 | 10694 |
15 | 28002 |
16 | 75555 |
17 | 209402 |
18 | 585212 |
19 | 1674296 |
20 | 4860120 |
21 | 14206194 |
22 | 42353033 |
23 | 127836257 |
24 | 392646335 |
25 | 1232237672 |
26 | 3906383039 |
27 | 12444691408 |
28 | 40024883480 |
29 | 129326254765 |
[1,1,1,2,3,6,13,26,55,122,283,669,1650,4176,10694, 28002,75555,209402,585212,1674296,4860120, 14206194,42353033,127836257,392646335,1232237672, 3906383039,12444691408,40024883480,129326254765] |