n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 5 |
3 | 12 |
4 | 30 |
5 | 74 |
6 | 185 |
7 | 460 |
8 | 1150 |
9 | 2866 |
10 | 7165 |
11 | 17868 |
12 | 44670 |
13 | 111418 |
14 | 278545 |
15 | 694796 |
16 | 1736990 |
17 | 4332770 |
18 | 10831925 |
19 | 27019404 |
20 | 67548510 |
21 | 168494762 |
22 | 421236905 |
23 | 1050744652 |
24 | 2626861630 |
25 | 6552514834 |
26 | 16381287085 |
[1,2,5,12,30,74,185,460,1150,2866,7165,17868, 44670,111418,278545,694796,1736990,4332770, 10831925,27019404,67548510,168494762,421236905, 1050744652,2626861630,6552514834,16381287085] |