n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 9 |
4 | 21 |
5 | 42 |
6 | 89 |
7 | 164 |
8 | 349 |
9 | 644 |
10 | 1349 |
11 | 2473 |
12 | 5109 |
13 | 9110 |
14 | 18489 |
15 | 32321 |
16 | 64962 |
17 | 112445 |
18 | 223153 |
19 | 378761 |
20 | 740095 |
21 | 1231589 |
22 | 2364342 |
23 | 3847629 |
24 | 7246578 |
25 | 11506172 |
26 | 21233764 |
27 | 32854049 |
28 | 59293970 |
29 | 89146163 |
30 | 157015152 |
31 | 228894783 |
32 | 392648931 |
33 | 553489877 |
34 | 922382155 |
[1,2,4,9,21,42,89,164,349,644,1349,2473,5109,9110, 18489,32321,64962,112445,223153,378761,740095, 1231589,2364342,3847629,7246578,11506172,21233764, 32854049,59293970,89146163,157015152,228894783, 392648931,553489877,922382155] |