A152174 - cp's OEIS frontend

A152174 a(n) = -2a(n-1)+4a(n-2), n>1 ; a(0) = 1, a(1) = -4.

n	a(n)
0	1
1	-4
2	12
3	-40
4	128
5	-416
6	1344
7	-4352
8	14080
9	-45568
10	147456
11	-477184
12	1544192
13	-4997120
14	16171008
15	-52330496
16	169345024
17	-548012032
18	1773404160
19	-5738856448
20	18571329536
21	-60098084864
22	194481487872
23	-629355315200

[1, -4, 12, -40, 128, -416, 1344, -4352, 14080, -45568, 147456, -477184, 1544192, -4997120, 16171008, -52330496, 169345024, -548012032, 1773404160, -5738856448, 18571329536, -60098084864, 194481487872, -629355315200]

cp's OEIS Frontend

A152174 a(n) = -2a(n-1)+4a(n-2), n>1 ; a(0) = 1, a(1) = -4.

Table of values

List of values

cp's OEIS Frontend

A152174 a(n) = -2*a(n-1)+4*a(n-2), n>1 ; a(0) = 1, a(1) = -4.

Table of values

List of values

A152174 a(n) = -2a(n-1)+4a(n-2), n>1 ; a(0) = 1, a(1) = -4.