A365459 - cp's OEIS frontend

A365459 a(n) = n - the largest power of 3 that is less than or equal to n.

n	a(n)
1	0
2	1
3	0
4	1
5	2
6	3
7	4
8	5
9	0
10	1
11	2
12	3
13	4
14	5
15	6
16	7
17	8
18	9
19	10
20	11
21	12
22	13
23	14
24	15
25	16
26	17
27	0
28	1
29	2
30	3
31	4
32	5
33	6
34	7
35	8
36	9
37	10
38	11
39	12
40	13
41	14
42	15
43	16
44	17
45	18
46	19
47	20
48	21
49	22
50	23
51	24
52	25
53	26
54	27
55	28
56	29
57	30
58	31
59	32
60	33
61	34
62	35
63	36
64	37
65	38
66	39
67	40
68	41
69	42
70	43
71	44
72	45
73	46
74	47
75	48
76	49
77	50
78	51
79	52
80	53
81	0
82	1
83	2
84	3
85	4
86	5
87	6
88	7

[0, 1, 0, 1, 2, 3, 4, 5, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 0, 1, 2, 3, 4, 5, 6, 7]

cp's OEIS Frontend

A365459 a(n) = n - the largest power of 3 that is less than or equal to n.

Table of values

List of values

n	a(n)
1	0
2	1
3	0
4	1
5	2
6	3
7	4
8	5
9	0
10	1
11	2
12	3
13	4
14	5
15	6
16	7
17	8
18	9
19	10
20	11
21	12
22	13
23	14
24	15
25	16
26	17
27	0
28	1
29	2
30	3
31	4
32	5
33	6
34	7
35	8
36	9
37	10
38	11
39	12
40	13
41	14
42	15
43	16
44	17
45	18
46	19
47	20
48	21
49	22
50	23
51	24
52	25
53	26
54	27
55	28
56	29
57	30
58	31
59	32
60	33
61	34
62	35
63	36
64	37
65	38
66	39
67	40
68	41
69	42
70	43
71	44
72	45
73	46
74	47
75	48
76	49
77	50
78	51
79	52
80	53
81	0
82	1
83	2
84	3
85	4
86	5
87	6
88	7

n	a(n)
1	0
2	1
3	0
4	1
5	2
6	3
7	4
8	5
9	0
10	1
11	2
12	3
13	4
14	5
15	6
16	7
17	8
18	9
19	10
20	11
21	12
22	13
23	14
24	15
25	16
26	17
27	0
28	1
29	2
30	3
31	4
32	5
33	6
34	7
35	8
36	9
37	10
38	11
39	12
40	13
41	14
42	15
43	16
44	17
45	18
46	19
47	20
48	21
49	22
50	23
51	24
52	25
53	26
54	27
55	28
56	29
57	30
58	31
59	32
60	33
61	34
62	35
63	36
64	37
65	38
66	39
67	40
68	41
69	42
70	43
71	44
72	45
73	46
74	47
75	48
76	49
77	50
78	51
79	52
80	53
81	0
82	1
83	2
84	3
85	4
86	5
87	6
88	7

n	a(n)
1	0
2	1
3	0
4	1
5	2
6	3
7	4
8	5
9	0
10	1
11	2
12	3
13	4
14	5
15	6
16	7
17	8
18	9
19	10
20	11
21	12
22	13
23	14
24	15
25	16
26	17
27	0
28	1
29	2
30	3
31	4
32	5
33	6
34	7
35	8
36	9
37	10
38	11
39	12
40	13
41	14
42	15
43	16
44	17
45	18
46	19
47	20
48	21
49	22
50	23
51	24
52	25
53	26
54	27
55	28
56	29
57	30
58	31
59	32
60	33
61	34
62	35
63	36
64	37
65	38
66	39
67	40
68	41
69	42
70	43
71	44
72	45
73	46
74	47
75	48
76	49
77	50
78	51
79	52
80	53
81	0
82	1
83	2
84	3
85	4
86	5
87	6
88	7