n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 1 |
4 | 2 |
5 | 3 |
6 | 5 |
7 | 9 |
8 | 18 |
9 | 38 |
10 | 80 |
11 | 166 |
12 | 342 |
13 | 705 |
14 | 1463 |
15 | 3065 |
16 | 6492 |
17 | 13917 |
18 | 30217 |
19 | 66455 |
20 | 147920 |
21 | 332700 |
22 | 754544 |
23 | 1721596 |
24 | 3943344 |
25 | 9051155 |
26 | 20789895 |
27 | 47741587 |
28 | 109543782 |
29 | 251076670 |
30 | 574820868 |
31 | 1314663050 |
32 | 3004304786 |
33 | 6861785924 |
34 | 15668223170 |
35 | 35778071864 |
36 | 81723401730 |
37 | 186773111883 |
38 | 427182189689 |
39 | 977960176139 |
[1,1,1,2,3,5,9,18,38,80,166,342,705,1463,3065, 6492,13917,30217,66455,147920,332700,754544, 1721596,3943344,9051155,20789895,47741587, 109543782,251076670,574820868,1314663050, 3004304786,6861785924,15668223170,35778071864, 81723401730,186773111883,427182189689, 977960176139] |