A337242 - cp's OEIS frontend

A337242 a(n) is the greatest number m not yet in the sequence such that the binary expansions of m and of n have the same run lengths (up to order but with multiplicity).

n	a(n)
0	0
1	1
2	2
3	3
4	6
5	5
6	4
7	7
8	14
9	13
10	10
11	11
12	12
13	9
14	8
15	15
16	30
17	29
18	26
19	27
20	22
21	21
22	20
23	23
24	28
25	25
26	18
27	19
28	24
29	17
30	16
31	31
32	62
33	61
34	58
35	59
36	54
37	53
38	52
39	57
40	46
41	45
42	42
43	43
44	50
45	41
46	40
47	47
48	60
49	55
50	44
51	51
52	38
53	37
54	36
55	49
56	56
57	39
58	34
59	35
60	48
61	33
62	32
63	63
64	126
65	125
66	122

[0, 1, 2, 3, 6, 5, 4, 7, 14, 13, 10, 11, 12, 9, 8, 15, 30, 29, 26, 27, 22, 21, 20, 23, 28, 25, 18, 19, 24, 17, 16, 31, 62, 61, 58, 59, 54, 53, 52, 57, 46, 45, 42, 43, 50, 41, 40, 47, 60, 55, 44, 51, 38, 37, 36, 49, 56, 39, 34, 35, 48, 33, 32, 63, 126, 125, 122]

cp's OEIS Frontend

A337242 a(n) is the greatest number m not yet in the sequence such that the binary expansions of m and of n have the same run lengths (up to order but with multiplicity).

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	3
4	6
5	5
6	4
7	7
8	14
9	13
10	10
11	11
12	12
13	9
14	8
15	15
16	30
17	29
18	26
19	27
20	22
21	21
22	20
23	23
24	28
25	25
26	18
27	19
28	24
29	17
30	16
31	31
32	62
33	61
34	58
35	59
36	54
37	53
38	52
39	57
40	46
41	45
42	42
43	43
44	50
45	41
46	40
47	47
48	60
49	55
50	44
51	51
52	38
53	37
54	36
55	49
56	56
57	39
58	34
59	35
60	48
61	33
62	32
63	63
64	126
65	125
66	122

n	a(n)
0	0
1	1
2	2
3	3
4	6
5	5
6	4
7	7
8	14
9	13
10	10
11	11
12	12
13	9
14	8
15	15
16	30
17	29
18	26
19	27
20	22
21	21
22	20
23	23
24	28
25	25
26	18
27	19
28	24
29	17
30	16
31	31
32	62
33	61
34	58
35	59
36	54
37	53
38	52
39	57
40	46
41	45
42	42
43	43
44	50
45	41
46	40
47	47
48	60
49	55
50	44
51	51
52	38
53	37
54	36
55	49
56	56
57	39
58	34
59	35
60	48
61	33
62	32
63	63
64	126
65	125
66	122

n	a(n)
0	0
1	1
2	2
3	3
4	6
5	5
6	4
7	7
8	14
9	13
10	10
11	11
12	12
13	9
14	8
15	15
16	30
17	29
18	26
19	27
20	22
21	21
22	20
23	23
24	28
25	25
26	18
27	19
28	24
29	17
30	16
31	31
32	62
33	61
34	58
35	59
36	54
37	53
38	52
39	57
40	46
41	45
42	42
43	43
44	50
45	41
46	40
47	47
48	60
49	55
50	44
51	51
52	38
53	37
54	36
55	49
56	56
57	39
58	34
59	35
60	48
61	33
62	32
63	63
64	126
65	125
66	122