n | a(n) |
---|---|
0 | 4 |
1 | 16 |
2 | 76 |
3 | 376 |
4 | 1876 |
5 | 9376 |
6 | 46876 |
7 | 234376 |
8 | 1171876 |
9 | 5859376 |
10 | 29296876 |
11 | 146484376 |
12 | 732421876 |
13 | 3662109376 |
14 | 18310546876 |
15 | 91552734376 |
16 | 457763671876 |
17 | 2288818359376 |
18 | 11444091796876 |
19 | 57220458984376 |
20 | 286102294921876 |
21 | 1430511474609376 |
[4,16,76,376,1876,9376,46876,234376,1171876, 5859376,29296876,146484376,732421876,3662109376, 18310546876,91552734376,457763671876, 2288818359376,11444091796876,57220458984376, 286102294921876,1430511474609376] |