n | a(n) |
---|---|
1 | 154 |
2 | 484 |
3 | 1689 |
4 | 5559 |
5 | 18881 |
6 | 65202 |
7 | 223901 |
8 | 772322 |
9 | 2674536 |
10 | 9246717 |
11 | 31958849 |
12 | 110567125 |
13 | 382593936 |
14 | 1323597069 |
15 | 4578966412 |
16 | 15842082720 |
17 | 54811158663 |
18 | 189635937913 |
19 | 656096229235 |
20 | 2269948418864 |
21 | 7853573067925 |
22 | 27171812792714 |
[154,484,1689,5559,18881,65202,223901,772322, 2674536,9246717,31958849,110567125,382593936, 1323597069,4578966412,15842082720,54811158663, 189635937913,656096229235,2269948418864, 7853573067925,27171812792714] |