n | a(n) |
---|---|
1 | 1 |
2 | 2 |
3 | 5 |
4 | 13 |
5 | 38 |
6 | 116 |
7 | 382 |
8 | 1310 |
9 | 4748 |
10 | 17848 |
11 | 70076 |
12 | 284252 |
13 | 1195240 |
14 | 5174768 |
15 | 23103368 |
16 | 105899656 |
17 | 498656912 |
18 | 2404850720 |
19 | 11879332048 |
20 | 59976346448 |
21 | 309442319456 |
22 | 1628921941312 |
23 | 8746095288800 |
24 | 47840221880288 |
25 | 266492604100288 |
26 | 1510338372987776 |
[1,2,5,13,38,116,382,1310,4748,17848,70076,284252, 1195240,5174768,23103368,105899656,498656912, 2404850720,11879332048,59976346448,309442319456, 1628921941312,8746095288800,47840221880288, 266492604100288,1510338372987776] |