四阶齐次线性递推九则

1. \(a_n=14a_{n-1}-71a_{n-2}+154a_{n-3}-120a_{n-4},a_1=14,a_2=54,a_3=224,a_4=978\)
2. \(a_n=11a_{n-1}-44a_{n-2}+76a_{n-3}-48a_{n-4},a_1=9,a_2=33,a_3=115,a_4=401\)
3. \(a_n=10a_{n-1}-37a_{n-2}+60a_{n-3}-36a_{n-4},a_1=5,a_2=26,a_3=105,a_4=388\)
4. \(a_n=9a_{n-1}-30a_{n-2}+44a_{n-3}-24a_{n-4},a_1=5,a_2=25,a_3=99,a_4=337\)
5. \(a_n=8a_{n-1}-24a_{n-2}+32a_{n-3}-16a_{n-4},a_1=2,a_2=32,a_3=216,a_4=1024\)
6. \(a_n=7a_{n-1}-18a_{n-2}+22a_{n-3}-12a_{n-4},a_1=7,a_2=13,a_3=31,a_4=89\)
7. \(a_n=6a_{n-1}-15a_{n-2}+18a_{n-3}-10a_{n-4},a_1=6,a_2=6,a_3=0,a_4=-22\)
8. \(a_n=6a_{n-1}-14a_{n-2}+16a_{n-3}-8a_{n-4},a_1=4,a_2=8,a_3=20,a_4=56\)
9. \(a_n=4a_{n-1}-8a_{n-2}+8a_{n-3}-4a_{n-4},a_1=2,a_2=0,a_3=-12,a_4=-32\)