n | a(n) |
---|---|
0 | 1 |
1 | -3 |
2 | 7 |
3 | -18 |
4 | 46 |
5 | -117 |
6 | 298 |
7 | -759 |
8 | 1933 |
9 | -4923 |
10 | 12538 |
11 | -31932 |
12 | 81325 |
13 | -207120 |
14 | 527497 |
15 | -1343439 |
16 | 3421495 |
17 | -8713926 |
18 | 22192786 |
19 | -56520993 |
20 | 143948698 |
21 | -366611175 |
22 | 933692041 |
23 | -2377943955 |
24 | 6056191126 |
25 | -15424018248 |
26 | 39282171577 |
27 | -100044552528 |
28 | 254795294881 |
29 | -648917313867 |
[1,-3,7,-18,46,-117,298,-759,1933,-4923,12538, -31932,81325,-207120,527497,-1343439,3421495, -8713926,22192786,-56520993,143948698,-366611175, 933692041,-2377943955,6056191126,-15424018248, 39282171577,-100044552528,254795294881, -648917313867] |