n | a(n) |
---|---|
4 | 1 |
5 | 1 |
6 | 4 |
7 | 5 |
8 | 14 |
9 | 23 |
10 | 52 |
11 | 97 |
12 | 202 |
13 | 395 |
14 | 800 |
15 | 1589 |
16 | 3190 |
17 | 6367 |
18 | 12748 |
19 | 25481 |
20 | 50978 |
21 | 101939 |
22 | 203896 |
23 | 407773 |
24 | 815566 |
25 | 1631111 |
26 | 3262244 |
27 | 6524465 |
28 | 13048954 |
29 | 26097883 |
30 | 52195792 |
31 | 104391557 |
[1,1,4,5,14,23,52,97,202,395,800,1589,3190,6367, 12748,25481,50978,101939,203896,407773,815566, 1631111,3262244,6524465,13048954,26097883, 52195792,104391557] |