n | a(n) |
---|---|
1 | 4 |
2 | 10 |
3 | 25 |
4 | 54 |
5 | 104 |
6 | 205 |
7 | 410 |
8 | 814 |
9 | 1609 |
10 | 3190 |
11 | 6340 |
12 | 12609 |
13 | 25094 |
14 | 49990 |
15 | 99665 |
16 | 198814 |
17 | 396784 |
18 | 792205 |
19 | 1582210 |
20 | 3160854 |
21 | 6315929 |
22 | 12622510 |
23 | 25229900 |
24 | 50435329 |
25 | 100831054 |
26 | 201598030 |
27 | 403092385 |
28 | 806017014 |
29 | 1611762584 |
30 | 3223085965 |
31 | 6445461290 |
32 | 12889772734 |
[4,10,25,54,104,205,410,814,1609,3190,6340,12609, 25094,49990,99665,198814,396784,792205,1582210, 3160854,6315929,12622510,25229900,50435329, 100831054,201598030,403092385,806017014, 1611762584,3223085965,6445461290,12889772734] |