n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 4 |
3 | 11 |
4 | 25 |
5 | 52 |
6 | 103 |
7 | 199 |
8 | 380 |
9 | 724 |
10 | 1382 |
11 | 2649 |
12 | 5103 |
13 | 9881 |
14 | 19224 |
15 | 37559 |
16 | 73646 |
17 | 144848 |
18 | 285623 |
19 | 564429 |
20 | 1117396 |
21 | 2215436 |
22 | 4398054 |
23 | 8740266 |
24 | 17385207 |
25 | 34607218 |
26 | 68934319 |
27 | 137386725 |
28 | 273942683 |
29 | 546450648 |
30 | 1090419638 |
[0,1,4,11,25,52,103,199,380,724,1382,2649,5103, 9881,19224,37559,73646,144848,285623,564429, 1117396,2215436,4398054,8740266,17385207,34607218, 68934319,137386725,273942683,546450648,1090419638] |