n | a(n) |
---|---|
1 | 3 |
2 | 4 |
3 | 7 |
4 | 14 |
5 | 30 |
6 | 68 |
7 | 157 |
8 | 373 |
9 | 901 |
10 | 2203 |
11 | 5444 |
12 | 13563 |
13 | 34032 |
14 | 85901 |
15 | 217935 |
16 | 555382 |
17 | 1420880 |
18 | 3647777 |
19 | 9393806 |
20 | 24258260 |
21 | 62800750 |
22 | 162950584 |
23 | 423687107 |
24 | 1103713423 |
25 | 2880195974 |
26 | 7528061902 |
27 | 19705490393 |
28 | 51652038011 |
29 | 135563251626 |
[3,4,7,14,30,68,157,373,901,2203,5444,13563,34032, 85901,217935,555382,1420880,3647777,9393806, 24258260,62800750,162950584,423687107,1103713423, 2880195974,7528061902,19705490393,51652038011, 135563251626] |