n | a(n) |
---|---|
1 | 0 |
2 | -1 |
3 | -2 |
4 | -2 |
5 | 10 |
6 | 212 |
7 | 3224 |
8 | 62366 |
9 | 1497338 |
10 | 44975716 |
11 | 1634965984 |
12 | 71171583968 |
13 | 3644192063936 |
14 | 217140517527872 |
15 | 14885352956292088 |
16 | 1163669318815546784 |
17 | 102884823177014622976 |
18 | 10215641655132182719636 |
19 | 1131845929565608226491904 |
20 | 139139993703371559978216506 |
[0,-1,-2,-2,10,212,3224,62366,1497338,44975716, 1634965984,71171583968,3644192063936, 217140517527872,14885352956292088, 1163669318815546784,102884823177014622976, 10215641655132182719636,1131845929565608226491904, 139139993703371559978216506] |