n | a(n) |
---|---|
2 | 5 |
3 | 135 |
4 | 1836 |
5 | 12675 |
6 | 58941 |
7 | 211925 |
8 | 635440 |
9 | 1663821 |
10 | 3921325 |
11 | 8495531 |
12 | 17179020 |
13 | 32795295 |
14 | 59626581 |
15 | 103962825 |
16 | 174792896 |
17 | 284660665 |
18 | 450710325 |
19 | 695946991 |
20 | 1050740300 |
21 | 1554600411 |
22 | 2258257485 |
23 | 3226077405 |
24 | 4538848176 |
25 | 6296973125 |
26 | 8624108701 |
27 | 11671286355 |
[5,135,1836,12675,58941,211925,635440,1663821, 3921325,8495531,17179020,32795295,59626581, 103962825,174792896,284660665,450710325,695946991, 1050740300,1554600411,2258257485,3226077405, 4538848176,6296973125,8624108701,11671286355] |