n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 21 |
3 | 42 |
4 | 341 |
5 | 682 |
6 | 5461 |
7 | 10922 |
8 | 87381 |
9 | 174762 |
10 | 1398101 |
11 | 2796202 |
12 | 22369621 |
13 | 44739242 |
14 | 357913941 |
15 | 715827882 |
16 | 5726623061 |
17 | 11453246122 |
18 | 91625968981 |
19 | 183251937962 |
20 | 1466015503701 |
21 | 2932031007402 |
22 | 23456248059221 |
23 | 46912496118442 |
24 | 375299968947541 |
25 | 750599937895082 |
[1,2,21,42,341,682,5461,10922,87381,174762, 1398101,2796202,22369621,44739242,357913941, 715827882,5726623061,11453246122,91625968981, 183251937962,1466015503701,2932031007402, 23456248059221,46912496118442,375299968947541, 750599937895082] |