A084057 - cp's OEIS frontend

A084057 a(n) = 2a(n-1) + 4a(n-2), a(0)=1, a(1)=1.

n	a(n)
0	1
1	1
2	6
3	16
4	56
5	176
6	576
7	1856
8	6016
9	19456
10	62976
11	203776
12	659456
13	2134016
14	6905856
15	22347776
16	72318976
17	234029056
18	757334016
19	2450784256
20	7930904576
21	25664946176
22	83053510656
23	268766806016
24	869747654656
25	2814562533376
26	9108115685376
27	29474481504256

[1, 1, 6, 16, 56, 176, 576, 1856, 6016, 19456, 62976, 203776, 659456, 2134016, 6905856, 22347776, 72318976, 234029056, 757334016, 2450784256, 7930904576, 25664946176, 83053510656, 268766806016, 869747654656, 2814562533376, 9108115685376, 29474481504256]

cp's OEIS Frontend

A084057 a(n) = 2a(n-1) + 4a(n-2), a(0)=1, a(1)=1.

Table of values

List of values

cp's OEIS Frontend

A084057 a(n) = 2*a(n-1) + 4*a(n-2), a(0)=1, a(1)=1.

Table of values

List of values

A084057 a(n) = 2a(n-1) + 4a(n-2), a(0)=1, a(1)=1.