n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 9 |
4 | 19 |
5 | 43 |
6 | 93 |
7 | 212 |
8 | 466 |
9 | 1070 |
10 | 2382 |
11 | 5506 |
12 | 12386 |
13 | 28800 |
14 | 65356 |
15 | 152745 |
16 | 349183 |
17 | 819639 |
18 | 1885361 |
19 | 4441719 |
20 | 10270279 |
21 | 24269629 |
22 | 56363319 |
23 | 133529869 |
24 | 311255601 |
25 | 738947515 |
26 | 1727873793 |
27 | 4109314729 |
28 | 9634406661 |
29 | 22946573863 |
[1,2,4,9,19,43,93,212,466,1070,2382,5506,12386, 28800,65356,152745,349183,819639,1885361,4441719, 10270279,24269629,56363319,133529869,311255601, 738947515,1727873793,4109314729,9634406661, 22946573863] |