A353709 - cp's OEIS frontend

A353709 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 and also a(n) and a(n-1) have no common 1-bits in their binary representations.

n	a(n)
0	0
1	1
2	2
3	4
4	8
5	3
6	16
7	12
8	32
9	17
10	6
11	40
12	64
13	5
14	10
15	48
16	65
17	14
18	128
19	33
20	18
21	68
22	9
23	34
24	20
25	72
26	35
27	132
28	24
29	66
30	36
31	25
32	130
33	96
34	13
35	144
36	98
37	256
38	21
39	42
40	192
41	257
42	22
43	104
44	129
45	258
46	28
47	97
48	384
49	26
50	37
51	320
52	136
53	7
54	80
55	160
56	11
57	84
58	288
59	131
60	76
61	272
62	161
63	70
64	264
65	49
66	134
67	328
68	512
69	19
70	44
71	448
72	513
73	30
74	224
75	768
76	15
77	112
78	640
79	259
80	52
81	200
82	514
83	53

[0, 1, 2, 4, 8, 3, 16, 12, 32, 17, 6, 40, 64, 5, 10, 48, 65, 14, 128, 33, 18, 68, 9, 34, 20, 72, 35, 132, 24, 66, 36, 25, 130, 96, 13, 144, 98, 256, 21, 42, 192, 257, 22, 104, 129, 258, 28, 97, 384, 26, 37, 320, 136, 7, 80, 160, 11, 84, 288, 131, 76, 272, 161, 70, 264, 49, 134, 328, 512, 19, 44, 448, 513, 30, 224, 768, 15, 112, 640, 259, 52, 200, 514, 53]

cp's OEIS Frontend

A353709 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 and also a(n) and a(n-1) 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	8
5	3
6	16
7	12
8	32
9	17
10	6
11	40
12	64
13	5
14	10
15	48
16	65
17	14
18	128
19	33
20	18
21	68
22	9
23	34
24	20
25	72
26	35
27	132
28	24
29	66
30	36
31	25
32	130
33	96
34	13
35	144
36	98
37	256
38	21
39	42
40	192
41	257
42	22
43	104
44	129
45	258
46	28
47	97
48	384
49	26
50	37
51	320
52	136
53	7
54	80
55	160
56	11
57	84
58	288
59	131
60	76
61	272
62	161
63	70
64	264
65	49
66	134
67	328
68	512
69	19
70	44
71	448
72	513
73	30
74	224
75	768
76	15
77	112
78	640
79	259
80	52
81	200
82	514
83	53

n	a(n)
0	0
1	1
2	2
3	4
4	8
5	3
6	16
7	12
8	32
9	17
10	6
11	40
12	64
13	5
14	10
15	48
16	65
17	14
18	128
19	33
20	18
21	68
22	9
23	34
24	20
25	72
26	35
27	132
28	24
29	66
30	36
31	25
32	130
33	96
34	13
35	144
36	98
37	256
38	21
39	42
40	192
41	257
42	22
43	104
44	129
45	258
46	28
47	97
48	384
49	26
50	37
51	320
52	136
53	7
54	80
55	160
56	11
57	84
58	288
59	131
60	76
61	272
62	161
63	70
64	264
65	49
66	134
67	328
68	512
69	19
70	44
71	448
72	513
73	30
74	224
75	768
76	15
77	112
78	640
79	259
80	52
81	200
82	514
83	53

n	a(n)
0	0
1	1
2	2
3	4
4	8
5	3
6	16
7	12
8	32
9	17
10	6
11	40
12	64
13	5
14	10
15	48
16	65
17	14
18	128
19	33
20	18
21	68
22	9
23	34
24	20
25	72
26	35
27	132
28	24
29	66
30	36
31	25
32	130
33	96
34	13
35	144
36	98
37	256
38	21
39	42
40	192
41	257
42	22
43	104
44	129
45	258
46	28
47	97
48	384
49	26
50	37
51	320
52	136
53	7
54	80
55	160
56	11
57	84
58	288
59	131
60	76
61	272
62	161
63	70
64	264
65	49
66	134
67	328
68	512
69	19
70	44
71	448
72	513
73	30
74	224
75	768
76	15
77	112
78	640
79	259
80	52
81	200
82	514
83	53