n | a(n) |
---|---|
1 | 1 |
2 | 20 |
3 | 155 |
4 | 760 |
5 | 2814 |
6 | 8592 |
7 | 22770 |
8 | 54120 |
9 | 117975 |
10 | 239668 |
11 | 459173 |
12 | 837200 |
13 | 1463020 |
14 | 2464320 |
15 | 4019412 |
16 | 6372144 |
17 | 9849885 |
18 | 14884980 |
19 | 22040095 |
20 | 32037896 |
21 | 45795530 |
22 | 64464400 |
23 | 89475750 |
24 | 122592600 |
25 | 165968595 |
26 | 222214356 |
27 | 294471945 |
28 | 386498080 |
[1,20,155,760,2814,8592,22770,54120,117975,239668, 459173,837200,1463020,2464320,4019412,6372144, 9849885,14884980,22040095,32037896,45795530, 64464400,89475750,122592600,165968595,222214356, 294471945,386498080] |