n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 2 |
4 | 4 |
5 | 7 |
6 | 14 |
7 | 27 |
8 | 54 |
9 | 106 |
10 | 212 |
11 | 420 |
12 | 840 |
13 | 1673 |
14 | 3346 |
15 | 6678 |
16 | 13356 |
17 | 26685 |
18 | 53370 |
19 | 106686 |
20 | 213372 |
21 | 426638 |
22 | 853276 |
23 | 1706340 |
24 | 3412680 |
25 | 6824940 |
26 | 13649880 |
[1,1,2,4,7,14,27,54,106,212,420,840,1673,3346, 6678,13356,26685,53370,106686,213372,426638, 853276,1706340,3412680,6824940,13649880] |