A353708 - cp's OEIS frontend

A353708 a(0)=0, a(1)=1; thereafter a(n) = smallest nonnegative integer not among the earlier terms of the sequence such that a(n) and a(n-2) have no common 1-bits in their binary representations.

n	a(n)
0	0
1	1
2	2
3	4
4	5
5	3
6	8
7	12
8	6
9	16
10	9
11	7
12	18
13	24
14	13
15	32
16	34
17	10
18	17
19	20
20	14
21	11
22	33
23	36
24	22
25	19
26	40
27	44
28	21
29	64
30	42
31	15
32	65
33	48
34	26
35	66
36	37
37	25
38	72
39	38
40	23
41	73
42	96
43	50
44	27
45	68
46	100
47	35
48	128
49	28
50	29
51	67
52	98
53	52
54	129
55	74
56	30
57	49
58	97
59	70
60	130
61	41
62	45
63	80
64	82
65	39
66	132
67	88
68	43
69	131
70	84
71	56
72	136
73	69
74	51
75	58
76	76
77	133
78	144
79	90
80	46
81	160
82	81
83	31
84	134
85	192
86	57
87	47

[0, 1, 2, 4, 5, 3, 8, 12, 6, 16, 9, 7, 18, 24, 13, 32, 34, 10, 17, 20, 14, 11, 33, 36, 22, 19, 40, 44, 21, 64, 42, 15, 65, 48, 26, 66, 37, 25, 72, 38, 23, 73, 96, 50, 27, 68, 100, 35, 128, 28, 29, 67, 98, 52, 129, 74, 30, 49, 97, 70, 130, 41, 45, 80, 82, 39, 132, 88, 43, 131, 84, 56, 136, 69, 51, 58, 76, 133, 144, 90, 46, 160, 81, 31, 134, 192, 57, 47]

cp's OEIS Frontend

A353708 a(0)=0, a(1)=1; thereafter a(n) = smallest nonnegative integer not among the earlier terms of the sequence such that a(n) and a(n-2) have no common 1-bits in their binary representations.

Table of values

List of values

n	a(n)
0	0
1	1
2	2
3	4
4	5
5	3
6	8
7	12
8	6
9	16
10	9
11	7
12	18
13	24
14	13
15	32
16	34
17	10
18	17
19	20
20	14
21	11
22	33
23	36
24	22
25	19
26	40
27	44
28	21
29	64
30	42
31	15
32	65
33	48
34	26
35	66
36	37
37	25
38	72
39	38
40	23
41	73
42	96
43	50
44	27
45	68
46	100
47	35
48	128
49	28
50	29
51	67
52	98
53	52
54	129
55	74
56	30
57	49
58	97
59	70
60	130
61	41
62	45
63	80
64	82
65	39
66	132
67	88
68	43
69	131
70	84
71	56
72	136
73	69
74	51
75	58
76	76
77	133
78	144
79	90
80	46
81	160
82	81
83	31
84	134
85	192
86	57
87	47

n	a(n)
0	0
1	1
2	2
3	4
4	5
5	3
6	8
7	12
8	6
9	16
10	9
11	7
12	18
13	24
14	13
15	32
16	34
17	10
18	17
19	20
20	14
21	11
22	33
23	36
24	22
25	19
26	40
27	44
28	21
29	64
30	42
31	15
32	65
33	48
34	26
35	66
36	37
37	25
38	72
39	38
40	23
41	73
42	96
43	50
44	27
45	68
46	100
47	35
48	128
49	28
50	29
51	67
52	98
53	52
54	129
55	74
56	30
57	49
58	97
59	70
60	130
61	41
62	45
63	80
64	82
65	39
66	132
67	88
68	43
69	131
70	84
71	56
72	136
73	69
74	51
75	58
76	76
77	133
78	144
79	90
80	46
81	160
82	81
83	31
84	134
85	192
86	57
87	47

n	a(n)
0	0
1	1
2	2
3	4
4	5
5	3
6	8
7	12
8	6
9	16
10	9
11	7
12	18
13	24
14	13
15	32
16	34
17	10
18	17
19	20
20	14
21	11
22	33
23	36
24	22
25	19
26	40
27	44
28	21
29	64
30	42
31	15
32	65
33	48
34	26
35	66
36	37
37	25
38	72
39	38
40	23
41	73
42	96
43	50
44	27
45	68
46	100
47	35
48	128
49	28
50	29
51	67
52	98
53	52
54	129
55	74
56	30
57	49
58	97
59	70
60	130
61	41
62	45
63	80
64	82
65	39
66	132
67	88
68	43
69	131
70	84
71	56
72	136
73	69
74	51
75	58
76	76
77	133
78	144
79	90
80	46
81	160
82	81
83	31
84	134
85	192
86	57
87	47