n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 3 |
3 | 6 |
4 | 11 |
5 | 26 |
6 | 58 |
7 | 142 |
8 | 351 |
9 | 890 |
10 | 2282 |
11 | 5948 |
12 | 15624 |
13 | 41442 |
14 | 110703 |
15 | 297676 |
16 | 804892 |
17 | 2187490 |
18 | 5971392 |
19 | 16366734 |
20 | 45021391 |
21 | 124253828 |
22 | 343956858 |
23 | 954760502 |
24 | 2656946827 |
25 | 7411140120 |
26 | 20716895918 |
27 | 58027609028 |
28 | 162837485745 |
[1,2,3,6,11,26,58,142,351,890,2282,5948,15624, 41442,110703,297676,804892,2187490,5971392, 16366734,45021391,124253828,343956858,954760502, 2656946827,7411140120,20716895918,58027609028, 162837485745] |