n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 7 |
4 | 26 |
5 | 107 |
6 | 458 |
7 | 2058 |
8 | 9498 |
9 | 44947 |
10 | 216598 |
11 | 1059952 |
12 | 5251806 |
13 | 26297238 |
14 | 132856766 |
15 | 676398395 |
16 | 3466799104 |
17 | 17873508798 |
18 | 92630098886 |
19 | 482292684506 |
20 | 2521610175006 |
21 | 13233573019372 |
22 | 69687684810980 |
23 | 368114512431638 |
24 | 1950037285256658 |
25 | 10357028326495097 |
26 | 55140508518522726 |
27 | 294219119815868952 |
28 | 1573132563600386854 |
29 | 8427354035116949486 |
30 | 45226421721391554194 |
[1,2,7,26,107,458,2058,9498,44947,216598,1059952, 5251806,26297238,132856766,676398395,3466799104, 17873508798,92630098886,482292684506, 2521610175006,13233573019372,69687684810980, 368114512431638,1950037285256658, 10357028326495097,55140508518522726, 294219119815868952,1573132563600386854, 8427354035116949486,45226421721391554194] |