A318265 - cp's OEIS frontend

A318265 a(1) = 1, a(n) = 5*a(n/3) if n is divisible by 3, otherwise a(n) = n - a(n-1).

n	a(n)
1	1
2	1
3	5
4	-1
5	6
6	5
7	2
8	6
9	25
10	-15
11	26
12	-5
13	18
14	-4
15	30
16	-14
17	31
18	25
19	-6
20	26
21	10
22	12
23	11
24	30
25	-5
26	31
27	125
28	-97
29	126
30	-75
31	106
32	-74
33	130
34	-96
35	131
36	-25
37	62
38	-24
39	90
40	-50
41	91
42	-20
43	63
44	-19
45	150
46	-104
47	151
48	-70
49	119
50	-69
51	155
52	-103
53	156
54	125
55	-70
56	126
57	-30
58	88
59	-29
60	130
61	-69
62	131
63	50
64	14
65	51
66	60
67	7
68	61
69	55
70	15
71	56
72	150

[1, 1, 5, -1, 6, 5, 2, 6, 25, -15, 26, -5, 18, -4, 30, -14, 31, 25, -6, 26, 10, 12, 11, 30, -5, 31, 125, -97, 126, -75, 106, -74, 130, -96, 131, -25, 62, -24, 90, -50, 91, -20, 63, -19, 150, -104, 151, -70, 119, -69, 155, -103, 156, 125, -70, 126, -30, 88, -29, 130, -69, 131, 50, 14, 51, 60, 7, 61, 55, 15, 56, 150]

cp's OEIS Frontend

A318265 a(1) = 1, a(n) = 5*a(n/3) if n is divisible by 3, otherwise a(n) = n - a(n-1).

Table of values

List of values