A163069 - cp's OEIS frontend

A163069 a(n) = ((4+sqrt(5))(1+sqrt(5))^n + (4-sqrt(5))(1-sqrt(5))^n)/2.

n	a(n)
0	4
1	9
2	34
3	104
4	344
5	1104
6	3584
7	11584
8	37504
9	121344
10	392704
11	1270784
12	4112384
13	13307904
14	43065344
15	139362304
16	450985984
17	1459421184
18	4722786304
19	15283257344
20	49457659904
21	160048349184
22	517927337984
23	1676048072704

[4, 9, 34, 104, 344, 1104, 3584, 11584, 37504, 121344, 392704, 1270784, 4112384, 13307904, 43065344, 139362304, 450985984, 1459421184, 4722786304, 15283257344, 49457659904, 160048349184, 517927337984, 1676048072704]

cp's OEIS Frontend

A163069 a(n) = ((4+sqrt(5))(1+sqrt(5))^n + (4-sqrt(5))(1-sqrt(5))^n)/2.

Table of values

List of values

cp's OEIS Frontend

A163069 a(n) = ((4+sqrt(5))*(1+sqrt(5))^n + (4-sqrt(5))*(1-sqrt(5))^n)/2.

Table of values

List of values

A163069 a(n) = ((4+sqrt(5))(1+sqrt(5))^n + (4-sqrt(5))(1-sqrt(5))^n)/2.