A007070 - cp's OEIS frontend

A007070 a(n) = 4a(n-1) - 2a(n-2) with a(0) = 1, a(1) = 4.

n	a(n)
0	1
1	4
2	14
3	48
4	164
5	560
6	1912
7	6528
8	22288
9	76096
10	259808
11	887040
12	3028544
13	10340096
14	35303296
15	120532992
16	411525376
17	1405035520
18	4797091328
19	16378294272
20	55918994432
21	190919389184
22	651839567872
23	2225519493120
24	7598398836736
25	25942556360704
26	88573427769344
27	302408598355968

[1, 4, 14, 48, 164, 560, 1912, 6528, 22288, 76096, 259808, 887040, 3028544, 10340096, 35303296, 120532992, 411525376, 1405035520, 4797091328, 16378294272, 55918994432, 190919389184, 651839567872, 2225519493120, 7598398836736, 25942556360704, 88573427769344, 302408598355968]

cp's OEIS Frontend

A007070 a(n) = 4a(n-1) - 2a(n-2) with a(0) = 1, a(1) = 4.

Table of values

List of values

cp's OEIS Frontend

A007070 a(n) = 4*a(n-1) - 2*a(n-2) with a(0) = 1, a(1) = 4.

Table of values

List of values

A007070 a(n) = 4a(n-1) - 2a(n-2) with a(0) = 1, a(1) = 4.