A085688 - cp's OEIS frontend

A085688 a(1) = 11; a(n) = if n == 2 mod 3 then a(n-1)-3, if n == 0 mod 3 then a(n-1)-2, if n == 1 mod 3 then a(n-1)*2.

n	a(n)
1	11
2	8
3	6
4	12
5	9
6	7
7	14
8	11
9	9
10	18
11	15
12	13
13	26
14	23
15	21
16	42
17	39
18	37
19	74
20	71
21	69
22	138
23	135
24	133
25	266
26	263
27	261
28	522
29	519
30	517
31	1034
32	1031
33	1029
34	2058
35	2055
36	2053
37	4106
38	4103
39	4101
40	8202
41	8199
42	8197
43	16394
44	16391
45	16389
46	32778
47	32775
48	32773
49	65546
50	65543
51	65541
52	131082

[11, 8, 6, 12, 9, 7, 14, 11, 9, 18, 15, 13, 26, 23, 21, 42, 39, 37, 74, 71, 69, 138, 135, 133, 266, 263, 261, 522, 519, 517, 1034, 1031, 1029, 2058, 2055, 2053, 4106, 4103, 4101, 8202, 8199, 8197, 16394, 16391, 16389, 32778, 32775, 32773, 65546, 65543, 65541, 131082]

cp's OEIS Frontend

A085688 a(1) = 11; a(n) = if n == 2 mod 3 then a(n-1)-3, if n == 0 mod 3 then a(n-1)-2, if n == 1 mod 3 then a(n-1)*2.

Table of values

List of values