A348026 - cp's OEIS frontend

A348026 The numbers visited on a square spiral when stepping to the smallest unvisited number that does not differ by 1 from the current number, is visible from the current number, and does not share a divisor > 1 with the current number.

n	a(n)
1	1
2	3
3	8
4	5
5	2
6	7
7	4
8	9
9	11
10	14
11	19
12	6
13	13
14	18
15	23
16	10
17	17
18	12
19	29
20	15
21	22
22	27
23	16
24	21
25	32
26	39
27	20
28	31
29	24
30	35
31	26
32	33
33	25
34	28
35	41
36	34
37	45
38	38
39	47
40	30
41	37
42	44
43	51
44	40
45	57
46	46
47	53
48	42
49	55
50	36
51	43
52	52
53	49
54	54
55	59
56	50
57	61
58	48
59	65
60	56
61	67
62	58
63	69
64	62
65	73
66	60
67	71
68	64
69	75
70	68
71	63
72	74
73	83
74	70
75	81
76	85

[1, 3, 8, 5, 2, 7, 4, 9, 11, 14, 19, 6, 13, 18, 23, 10, 17, 12, 29, 15, 22, 27, 16, 21, 32, 39, 20, 31, 24, 35, 26, 33, 25, 28, 41, 34, 45, 38, 47, 30, 37, 44, 51, 40, 57, 46, 53, 42, 55, 36, 43, 52, 49, 54, 59, 50, 61, 48, 65, 56, 67, 58, 69, 62, 73, 60, 71, 64, 75, 68, 63, 74, 83, 70, 81, 85]

cp's OEIS Frontend

A348026 The numbers visited on a square spiral when stepping to the smallest unvisited number that does not differ by 1 from the current number, is visible from the current number, and does not share a divisor > 1 with the current number.

Table of values

List of values

n	a(n)
1	1
2	3
3	8
4	5
5	2
6	7
7	4
8	9
9	11
10	14
11	19
12	6
13	13
14	18
15	23
16	10
17	17
18	12
19	29
20	15
21	22
22	27
23	16
24	21
25	32
26	39
27	20
28	31
29	24
30	35
31	26
32	33
33	25
34	28
35	41
36	34
37	45
38	38
39	47
40	30
41	37
42	44
43	51
44	40
45	57
46	46
47	53
48	42
49	55
50	36
51	43
52	52
53	49
54	54
55	59
56	50
57	61
58	48
59	65
60	56
61	67
62	58
63	69
64	62
65	73
66	60
67	71
68	64
69	75
70	68
71	63
72	74
73	83
74	70
75	81
76	85

n	a(n)
1	1
2	3
3	8
4	5
5	2
6	7
7	4
8	9
9	11
10	14
11	19
12	6
13	13
14	18
15	23
16	10
17	17
18	12
19	29
20	15
21	22
22	27
23	16
24	21
25	32
26	39
27	20
28	31
29	24
30	35
31	26
32	33
33	25
34	28
35	41
36	34
37	45
38	38
39	47
40	30
41	37
42	44
43	51
44	40
45	57
46	46
47	53
48	42
49	55
50	36
51	43
52	52
53	49
54	54
55	59
56	50
57	61
58	48
59	65
60	56
61	67
62	58
63	69
64	62
65	73
66	60
67	71
68	64
69	75
70	68
71	63
72	74
73	83
74	70
75	81
76	85

n	a(n)
1	1
2	3
3	8
4	5
5	2
6	7
7	4
8	9
9	11
10	14
11	19
12	6
13	13
14	18
15	23
16	10
17	17
18	12
19	29
20	15
21	22
22	27
23	16
24	21
25	32
26	39
27	20
28	31
29	24
30	35
31	26
32	33
33	25
34	28
35	41
36	34
37	45
38	38
39	47
40	30
41	37
42	44
43	51
44	40
45	57
46	46
47	53
48	42
49	55
50	36
51	43
52	52
53	49
54	54
55	59
56	50
57	61
58	48
59	65
60	56
61	67
62	58
63	69
64	62
65	73
66	60
67	71
68	64
69	75
70	68
71	63
72	74
73	83
74	70
75	81
76	85