A084240 - cp's OEIS frontend

A084240 a(n) = -5a(n-1) - 4a(n-2), a(0)=1, a(1)=0.

n	a(n)
0	1
1	0
2	-4
3	20
4	-84
5	340
6	-1364
7	5460
8	-21844
9	87380
10	-349524
11	1398100
12	-5592404
13	22369620
14	-89478484
15	357913940
16	-1431655764
17	5726623060
18	-22906492244
19	91625968980
20	-366503875924
21	1466015503700
22	-5864062014804
23	23456248059220
24	-93824992236884
25	375299968947540

[1, 0, -4, 20, -84, 340, -1364, 5460, -21844, 87380, -349524, 1398100, -5592404, 22369620, -89478484, 357913940, -1431655764, 5726623060, -22906492244, 91625968980, -366503875924, 1466015503700, -5864062014804, 23456248059220, -93824992236884, 375299968947540]

cp's OEIS Frontend

A084240 a(n) = -5a(n-1) - 4a(n-2), a(0)=1, a(1)=0.

Table of values

List of values

cp's OEIS Frontend

A084240 a(n) = -5*a(n-1) - 4*a(n-2), a(0)=1, a(1)=0.

Table of values

List of values

A084240 a(n) = -5a(n-1) - 4a(n-2), a(0)=1, a(1)=0.