A341248 - cp's OEIS frontend

A341248 a(n) = 5a(n-1) - 4a(n-3) for n >= 4, where a(1) = 1, a(2) = 4, a(3) = 18.

n	a(n)
1	1
2	4
3	18
4	86
5	414
6	1998
7	9646
8	46574
9	224878
10	1085806
11	5242734
12	25314158
13	122227566
14	590166894
15	2849577838
16	13758978926
17	66434227054
18	320772823918
19	1548828203886
20	7478404111214
21	36108929260398
22	174349333486446
23	841833050987374
24	4064729537895278

[1, 4, 18, 86, 414, 1998, 9646, 46574, 224878, 1085806, 5242734, 25314158, 122227566, 590166894, 2849577838, 13758978926, 66434227054, 320772823918, 1548828203886, 7478404111214, 36108929260398, 174349333486446, 841833050987374, 4064729537895278]

cp's OEIS Frontend

A341248 a(n) = 5a(n-1) - 4a(n-3) for n >= 4, where a(1) = 1, a(2) = 4, a(3) = 18.

Table of values

List of values

cp's OEIS Frontend

A341248 a(n) = 5*a(n-1) - 4*a(n-3) for n >= 4, where a(1) = 1, a(2) = 4, a(3) = 18.

Table of values

List of values

A341248 a(n) = 5a(n-1) - 4a(n-3) for n >= 4, where a(1) = 1, a(2) = 4, a(3) = 18.