n | a(n) |
---|---|
0 | 4 |
1 | 19 |
2 | 79 |
3 | 319 |
4 | 1279 |
5 | 5119 |
6 | 20479 |
7 | 81919 |
8 | 327679 |
9 | 1310719 |
10 | 5242879 |
11 | 20971519 |
12 | 83886079 |
13 | 335544319 |
14 | 1342177279 |
15 | 5368709119 |
16 | 21474836479 |
17 | 85899345919 |
18 | 343597383679 |
19 | 1374389534719 |
20 | 5497558138879 |
21 | 21990232555519 |
22 | 87960930222079 |
23 | 351843720888319 |
[4,19,79,319,1279,5119,20479,81919,327679,1310719, 5242879,20971519,83886079,335544319,1342177279, 5368709119,21474836479,85899345919,343597383679, 1374389534719,5497558138879,21990232555519, 87960930222079,351843720888319] |