A330355 - cp's OEIS frontend

A330355 Starting from n: as long as the decimal representation contains a positive multiple of 3, divide the largest and leftmost such substring by 3; a(n) corresponds to the final value.

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

[0, 1, 2, 1, 4, 5, 2, 7, 8, 1, 10, 11, 4, 11, 14, 5, 4, 17, 2, 11, 20, 7, 22, 7, 8, 25, 22, 1, 28, 7, 10, 11, 4, 11, 14, 5, 4, 17, 2, 11, 40, 41, 14, 41, 44, 5, 14, 47, 4, 41, 50, 17, 52, 17, 2, 55, 52, 11, 58, 17, 20, 7, 22, 7, 8, 25, 22, 1, 28, 7, 70, 71, 8]

cp's OEIS Frontend

A330355 Starting from n: as long as the decimal representation contains a positive multiple of 3, divide the largest and leftmost such substring by 3; a(n) corresponds to the final value.

Table of values

List of values

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

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

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