n | a(n) |
---|---|
0 | 1 |
1 | 4 |
2 | 17 |
3 | 77 |
4 | 359 |
5 | 1702 |
6 | 8165 |
7 | 39490 |
8 | 192131 |
9 | 939016 |
10 | 4605451 |
11 | 22650627 |
12 | 111651643 |
13 | 551379076 |
14 | 2727090199 |
15 | 13505347559 |
16 | 66955102057 |
17 | 332249446722 |
18 | 1650027506813 |
19 | 8200076776267 |
20 | 40776104773443 |
21 | 202872003528704 |
22 | 1009809751924771 |
23 | 5028455914303228 |
24 | 25048822763861523 |
25 | 124818886054490310 |
[1,4,17,77,359,1702,8165,39490,192131,939016, 4605451,22650627,111651643,551379076,2727090199, 13505347559,66955102057,332249446722, 1650027506813,8200076776267,40776104773443, 202872003528704,1009809751924771,5028455914303228, 25048822763861523,124818886054490310] |