A135294 - cp's OEIS frontend

A135294 a(n) = 3*a(n-1)+n if a(n-1) is not divisible by 2, or a(n) = a(n-1)/2 otherwise.

n	a(n)
1	1
2	4
3	2
4	1
5	7
6	26
7	13
8	46
9	23
10	78
11	39
12	128
13	64
14	32
15	16
16	8
17	4
18	2
19	1
20	22
21	11
22	54
23	27
24	104
25	52
26	26
27	13
28	66
29	33
30	128
31	64
32	32
33	16
34	8
35	4
36	2
37	1
38	40
39	20
40	10
41	5
42	56
43	28
44	14
45	7
46	66
47	33
48	146
49	73
50	268
51	134
52	67
53	253
54	812
55	406
56	203
57	665
58	2052
59	1026
60	513
61	1599
62	4858
63	2429
64	7350
65	3675
66	11090
67	5545
68	16702
69	8351
70	25122
71	12561

[1, 4, 2, 1, 7, 26, 13, 46, 23, 78, 39, 128, 64, 32, 16, 8, 4, 2, 1, 22, 11, 54, 27, 104, 52, 26, 13, 66, 33, 128, 64, 32, 16, 8, 4, 2, 1, 40, 20, 10, 5, 56, 28, 14, 7, 66, 33, 146, 73, 268, 134, 67, 253, 812, 406, 203, 665, 2052, 1026, 513, 1599, 4858, 2429, 7350, 3675, 11090, 5545, 16702, 8351, 25122, 12561]

cp's OEIS Frontend

A135294 a(n) = 3*a(n-1)+n if a(n-1) is not divisible by 2, or a(n) = a(n-1)/2 otherwise.

Table of values

List of values