n | a(n) |
---|---|
1 | 0 |
2 | 0 |
3 | 7 |
4 | 105 |
5 | 964 |
6 | 8005 |
7 | 65513 |
8 | 538382 |
9 | 4468957 |
10 | 37588207 |
11 | 319972455 |
12 | 2753597777 |
13 | 23931289984 |
14 | 209796541197 |
15 | 1853552707266 |
16 | 16490531511496 |
17 | 147632682729513 |
18 | 1329180643501191 |
[0,0,7,105,964,8005,65513,538382,4468957,37588207, 319972455,2753597777,23931289984,209796541197, 1853552707266,16490531511496,147632682729513, 1329180643501191] |