n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 9 |
3 | 20 |
4 | 44 |
5 | 91 |
6 | 187 |
7 | 379 |
8 | 764 |
9 | 1534 |
10 | 3075 |
11 | 6157 |
12 | 12322 |
13 | 24652 |
14 | 49313 |
15 | 98635 |
16 | 197280 |
17 | 394571 |
18 | 789153 |
19 | 1578318 |
20 | 3156648 |
21 | 6313309 |
22 | 12626631 |
23 | 25253276 |
24 | 50506566 |
25 | 101013147 |
26 | 202026309 |
[1,3,9,20,44,91,187,379,764,1534,3075,6157,12322, 24652,49313,98635,197280,394571,789153,1578318, 3156648,6313309,12626631,25253276,50506566, 101013147,202026309] |