n | a(n) |
---|---|
2 | 8 |
3 | 108 |
4 | 730 |
5 | 3576 |
6 | 14414 |
7 | 50928 |
8 | 163722 |
9 | 490496 |
10 | 1391862 |
11 | 3784168 |
12 | 9940066 |
13 | 25384568 |
14 | 63327166 |
15 | 154906432 |
16 | 372640634 |
17 | 883653200 |
18 | 2069574918 |
19 | 4794856504 |
20 | 11003621330 |
21 | 25040248584 |
22 | 56557140046 |
23 | 126889144656 |
24 | 282971569898 |
[8,108,730,3576,14414,50928,163722,490496,1391862, 3784168,9940066,25384568,63327166,154906432, 372640634,883653200,2069574918,4794856504, 11003621330,25040248584,56557140046,126889144656, 282971569898] |