n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 9 |
3 | 19 |
4 | 39 |
5 | 79 |
6 | 159 |
7 | 319 |
8 | 639 |
9 | 1279 |
10 | 2559 |
11 | 5119 |
12 | 10239 |
13 | 20479 |
14 | 40959 |
15 | 81919 |
16 | 163839 |
17 | 327679 |
18 | 655359 |
19 | 1310719 |
20 | 2621439 |
21 | 5242879 |
22 | 10485759 |
23 | 20971519 |
24 | 41943039 |
25 | 83886079 |
26 | 167772159 |
27 | 335544319 |
28 | 671088639 |
29 | 1342177279 |
30 | 2684354559 |
[1,4,9,19,39,79,159,319,639,1279,2559,5119,10239, 20479,40959,81919,163839,327679,655359,1310719, 2621439,5242879,10485759,20971519,41943039, 83886079,167772159,335544319,671088639,1342177279, 2684354559] |