n | a(n) |
---|---|
1 | 2 |
2 | 8 |
3 | 25 |
4 | 59 |
5 | 331 |
6 | 883 |
7 | 3485 |
8 | 12030 |
9 | 43774 |
10 | 155664 |
11 | 540628 |
12 | 1936313 |
13 | 6871687 |
14 | 24471790 |
15 | 86551688 |
16 | 306708029 |
17 | 1089956129 |
18 | 3870392120 |
19 | 13733968845 |
20 | 48703981505 |
21 | 172844148554 |
22 | 613561265167 |
23 | 2177517194687 |
24 | 7726401450405 |
[2,8,25,59,331,883,3485,12030,43774,155664,540628, 1936313,6871687,24471790,86551688,306708029, 1089956129,3870392120,13733968845,48703981505, 172844148554,613561265167,2177517194687, 7726401450405] |