n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 9 |
4 | 18 |
5 | 35 |
6 | 68 |
7 | 130 |
8 | 246 |
9 | 463 |
10 | 867 |
11 | 1617 |
12 | 3007 |
13 | 5579 |
14 | 10332 |
15 | 19107 |
16 | 35295 |
17 | 65140 |
18 | 120137 |
19 | 221444 |
20 | 407999 |
21 | 751453 |
22 | 1383641 |
23 | 2547116 |
24 | 4688106 |
25 | 8627504 |
26 | 15875390 |
27 | 29209560 |
28 | 53739655 |
29 | 98864470 |
30 | 181872110 |
31 | 334561861 |
32 | 615423932 |
[1,2,4,9,18,35,68,130,246,463,867,1617,3007,5579, 10332,19107,35295,65140,120137,221444,407999, 751453,1383641,2547116,4688106,8627504,15875390, 29209560,53739655,98864470,181872110,334561861, 615423932] |