A084059 - cp's OEIS frontend

A084059 a(n) = 4a(n-1) + 2a(n-2) for n>1, a(0)=1, a(1)=2.

n	a(n)
0	1
1	2
2	10
3	44
4	196
5	872
6	3880
7	17264
8	76816
9	341792
10	1520800
11	6766784
12	30108736
13	133968512
14	596091520
15	2652303104
16	11801395456
17	52510188032
18	233643543040
19	1039594548224
20	4625665278976
21	20581850212352
22	91578731407360

[1, 2, 10, 44, 196, 872, 3880, 17264, 76816, 341792, 1520800, 6766784, 30108736, 133968512, 596091520, 2652303104, 11801395456, 52510188032, 233643543040, 1039594548224, 4625665278976, 20581850212352, 91578731407360]

cp's OEIS Frontend

A084059 a(n) = 4a(n-1) + 2a(n-2) for n>1, a(0)=1, a(1)=2.

Table of values

List of values

cp's OEIS Frontend

A084059 a(n) = 4*a(n-1) + 2*a(n-2) for n>1, a(0)=1, a(1)=2.

Table of values

List of values

A084059 a(n) = 4a(n-1) + 2a(n-2) for n>1, a(0)=1, a(1)=2.