A067585 - cp's OEIS frontend

A067585 Binary representation of a(n) is obtained thus: replace every digit in the binary representation of n with "1" if the sum of its neighbors is 1 and with "0" otherwise.

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

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

cp's OEIS Frontend

A067585 Binary representation of a(n) is obtained thus: replace every digit in the binary representation of n with "1" if the sum of its neighbors is 1 and with "0" otherwise.

Table of values

List of values

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

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

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