A084707 - cp's OEIS frontend

A084707 a(n) = 3a(n-1) - 3a(n-3) + a(n-4) for n > 3, with a(0) = 1, a(1) = 3, a(2) = 9, a(3) = 27.

n	a(n)
0	1
1	3
2	9
3	27
4	73
5	195
6	513
7	1347
8	3529
9	9243
10	24201
11	63363
12	165889
13	434307
14	1137033
15	2976795
16	7793353
17	20403267
18	53416449
19	139846083
20	366121801
21	958519323
22	2509436169
23	6569789187
24	17199931393
25	45030004995
26	117890083593
27	308640245787
28	808030653769

[1, 3, 9, 27, 73, 195, 513, 1347, 3529, 9243, 24201, 63363, 165889, 434307, 1137033, 2976795, 7793353, 20403267, 53416449, 139846083, 366121801, 958519323, 2509436169, 6569789187, 17199931393, 45030004995, 117890083593, 308640245787, 808030653769]

cp's OEIS Frontend

A084707 a(n) = 3a(n-1) - 3a(n-3) + a(n-4) for n > 3, with a(0) = 1, a(1) = 3, a(2) = 9, a(3) = 27.

Table of values

List of values

cp's OEIS Frontend

A084707 a(n) = 3*a(n-1) - 3*a(n-3) + a(n-4) for n > 3, with a(0) = 1, a(1) = 3, a(2) = 9, a(3) = 27.

Table of values

List of values

A084707 a(n) = 3a(n-1) - 3a(n-3) + a(n-4) for n > 3, with a(0) = 1, a(1) = 3, a(2) = 9, a(3) = 27.