n | a(n) |
---|---|
0 | 48 |
1 | 175 |
2 | 1680 |
3 | 25410 |
4 | 294000 |
5 | 2295513 |
6 | 12991440 |
7 | 57550100 |
8 | 211281840 |
9 | 669529875 |
10 | 1885734928 |
11 | 4823347830 |
12 | 11387316720 |
13 | 25126129245 |
14 | 52326450000 |
15 | 103659864168 |
16 | 196585724720 |
17 | 358766207415 |
18 | 632810010000 |
19 | 1082730294250 |
20 | 1802581066608 |
21 | 2927824829985 |
22 | 4650083620560 |
[48,175,1680,25410,294000,2295513,12991440, 57550100,211281840,669529875,1885734928, 4823347830,11387316720,25126129245,52326450000, 103659864168,196585724720,358766207415, 632810010000,1082730294250,1802581066608, 2927824829985,4650083620560] |