n | a(n) |
---|---|
1 | 1 |
2 | -23 |
3 | -45 |
4 | -135 |
5 | -337 |
6 | -899 |
7 | -2337 |
8 | -6135 |
9 | -16045 |
10 | -42023 |
11 | -110001 |
12 | -288003 |
13 | -753985 |
14 | -1973975 |
15 | -5167917 |
16 | -13529799 |
17 | -35421457 |
18 | -92734595 |
19 | -242782305 |
20 | -635612343 |
21 | -1664054701 |
22 | -4356551783 |
23 | -11405600625 |
24 | -29860250115 |
25 | -78175149697 |
26 | -204665198999 |
[1,-23,-45,-135,-337,-899,-2337,-6135,-16045, -42023,-110001,-288003,-753985,-1973975,-5167917, -13529799,-35421457,-92734595,-242782305, -635612343,-1664054701,-4356551783,-11405600625, -29860250115,-78175149697,-204665198999] |