n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 15 |
4 | 25 |
5 | 47 |
6 | 113 |
7 | 265 |
8 | 621 |
9 | 1473 |
10 | 3443 |
11 | 8093 |
12 | 19107 |
13 | 45119 |
14 | 106635 |
15 | 251959 |
16 | 595465 |
17 | 1407719 |
18 | 3328477 |
19 | 7871557 |
20 | 18617533 |
21 | 44037365 |
22 | 104173407 |
23 | 246445341 |
24 | 583054499 |
25 | 1379487511 |
26 | 3263943687 |
27 | 7722913379 |
28 | 18273883713 |
29 | 43240415955 |
[1,7,15,25,47,113,265,621,1473,3443,8093,19107, 45119,106635,251959,595465,1407719,3328477, 7871557,18617533,44037365,104173407,246445341, 583054499,1379487511,3263943687,7722913379, 18273883713,43240415955] |