n | a(n) |
---|---|
0 | 1 |
1 | 9 |
2 | 49 |
3 | 179 |
4 | 711 |
5 | 2390 |
6 | 8361 |
7 | 27082 |
8 | 89389 |
9 | 283170 |
10 | 905307 |
11 | 2825245 |
12 | 8854116 |
13 | 27341969 |
14 | 84550769 |
15 | 259046260 |
16 | 793589833 |
17 | 2416512240 |
18 | 7352490113 |
19 | 22279068811 |
20 | 67435591018 |
21 | 203525629398 |
22 | 613550161717 |
23 | 1845654390776 |
24 | 5545861291941 |
25 | 16637001197044 |
26 | 49858191850323 |
[1,9,49,179,711,2390,8361,27082,89389,283170, 905307,2825245,8854116,27341969,84550769, 259046260,793589833,2416512240,7352490113, 22279068811,67435591018,203525629398,613550161717, 1845654390776,5545861291941,16637001197044, 49858191850323] |