n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 15 |
4 | -14 |
5 | 185 |
6 | -454 |
7 | 2107 |
8 | -6194 |
9 | 22689 |
10 | -70058 |
11 | 234971 |
12 | -734304 |
13 | 2368379 |
14 | -7404318 |
15 | 23417955 |
16 | -72988938 |
17 | 228324569 |
18 | -708982738 |
19 | 2202742447 |
20 | -6815736144 |
21 | 21077285943 |
22 | -65016664062 |
23 | 200371842727 |
24 | -616463969324 |
25 | 1894794918275 |
26 | -5816606133674 |
27 | 17839764136377 |
[1,1,4,15,-14,185,-454,2107,-6194,22689,-70058, 234971,-734304,2368379,-7404318,23417955, -72988938,228324569,-708982738,2202742447, -6815736144,21077285943,-65016664062,200371842727, -616463969324,1894794918275,-5816606133674, 17839764136377] |