n | a(n) |
---|---|
1 | 0 |
2 | 4 |
3 | 84 |
4 | 1074 |
5 | 11058 |
6 | 102448 |
7 | 896026 |
8 | 7578952 |
9 | 62820362 |
10 | 514178822 |
11 | 4174954460 |
12 | 33725176208 |
13 | 271523097884 |
14 | 2181288088576 |
15 | 17498432045552 |
16 | 140241880816930 |
17 | 1123280018219562 |
18 | 8993350007112124 |
19 | 71984384316723134 |
20 | 576073752326317448 |
21 | 4609640266662591130 |
[0,4,84,1074,11058,102448,896026,7578952,62820362, 514178822,4174954460,33725176208,271523097884, 2181288088576,17498432045552,140241880816930, 1123280018219562,8993350007112124, 71984384316723134,576073752326317448, 4609640266662591130] |