A337305 - cp's OEIS frontend

A337305 a(n) is the greatest number m not yet in the sequence such that the ternary expansions of n and of m have the same runs of consecutive equal digits (up to order but with multiplicity).

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

[0, 1, 2, 3, 4, 7, 6, 5, 8, 9, 10, 21, 12, 13, 22, 19, 16, 25, 18, 15, 20, 11, 14, 23, 24, 17, 26, 27, 28, 63, 30, 37, 64, 57, 48, 75, 36, 31, 66, 39, 40, 67, 58, 49, 76, 55, 46, 69, 34, 43, 70, 73, 52, 79, 54, 45, 56, 33, 42, 65, 60, 61, 74, 29, 32, 59, 38, 41]

cp's OEIS Frontend

A337305 a(n) is the greatest number m not yet in the sequence such that the ternary expansions of n and of m have the same runs of consecutive equal digits (up to order but with multiplicity).

Table of values

List of values

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

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

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