n | a(n) |
---|---|
0 | 0 |
1 | -10 |
2 | -18 |
3 | -56 |
4 | -138 |
5 | -370 |
6 | -960 |
7 | -2522 |
8 | -6594 |
9 | -17272 |
10 | -45210 |
11 | -118370 |
12 | -309888 |
13 | -811306 |
14 | -2124018 |
15 | -5560760 |
16 | -14558250 |
17 | -38114002 |
18 | -99783744 |
19 | -261237242 |
20 | -683927970 |
21 | -1790546680 |
22 | -4687712058 |
23 | -12272589506 |
24 | -32130056448 |
25 | -84117579850 |
26 | -220222683090 |
[0,-10,-18,-56,-138,-370,-960,-2522,-6594,-17272, -45210,-118370,-309888,-811306,-2124018,-5560760, -14558250,-38114002,-99783744,-261237242, -683927970,-1790546680,-4687712058,-12272589506, -32130056448,-84117579850,-220222683090] |