A346429 - cp's OEIS frontend

A346429 Squares visited on a square spiral when stepping to the closest unvisited square that contains a number with a different number of divisors to the number in the current square. If two or more such squares are the same distance from the current square then the one with the smallest number is chosen.

n	a(n)
1	1
2	2
3	9
4	8
5	7
6	6
7	5
8	4
9	3
10	12
11	11
12	10
13	25
14	24
15	23
16	22
17	45
18	46
19	47
20	48
21	49
22	26
23	50
24	51
25	52
26	27
27	28
28	29
29	30
30	13
31	14
32	32
33	31
34	56
35	55
36	54
37	53
38	86
39	127
40	126
41	85
42	84
43	83
44	82
45	81
46	80
47	79
48	78
49	77
50	76
51	115
52	114
53	75
54	74
55	43
56	42
57	21
58	20
59	19
60	18
61	17
62	16
63	15
64	61
65	34
66	60
67	33
68	59
69	58
70	92
71	57
72	90
73	89
74	88
75	87

[1, 2, 9, 8, 7, 6, 5, 4, 3, 12, 11, 10, 25, 24, 23, 22, 45, 46, 47, 48, 49, 26, 50, 51, 52, 27, 28, 29, 30, 13, 14, 32, 31, 56, 55, 54, 53, 86, 127, 126, 85, 84, 83, 82, 81, 80, 79, 78, 77, 76, 115, 114, 75, 74, 43, 42, 21, 20, 19, 18, 17, 16, 15, 61, 34, 60, 33, 59, 58, 92, 57, 90, 89, 88, 87]

cp's OEIS Frontend

Table of values

List of values

n	a(n)
1	1
2	2
3	9
4	8
5	7
6	6
7	5
8	4
9	3
10	12
11	11
12	10
13	25
14	24
15	23
16	22
17	45
18	46
19	47
20	48
21	49
22	26
23	50
24	51
25	52
26	27
27	28
28	29
29	30
30	13
31	14
32	32
33	31
34	56
35	55
36	54
37	53
38	86
39	127
40	126
41	85
42	84
43	83
44	82
45	81
46	80
47	79
48	78
49	77
50	76
51	115
52	114
53	75
54	74
55	43
56	42
57	21
58	20
59	19
60	18
61	17
62	16
63	15
64	61
65	34
66	60
67	33
68	59
69	58
70	92
71	57
72	90
73	89
74	88
75	87

n	a(n)
1	1
2	2
3	9
4	8
5	7
6	6
7	5
8	4
9	3
10	12
11	11
12	10
13	25
14	24
15	23
16	22
17	45
18	46
19	47
20	48
21	49
22	26
23	50
24	51
25	52
26	27
27	28
28	29
29	30
30	13
31	14
32	32
33	31
34	56
35	55
36	54
37	53
38	86
39	127
40	126
41	85
42	84
43	83
44	82
45	81
46	80
47	79
48	78
49	77
50	76
51	115
52	114
53	75
54	74
55	43
56	42
57	21
58	20
59	19
60	18
61	17
62	16
63	15
64	61
65	34
66	60
67	33
68	59
69	58
70	92
71	57
72	90
73	89
74	88
75	87

n	a(n)
1	1
2	2
3	9
4	8
5	7
6	6
7	5
8	4
9	3
10	12
11	11
12	10
13	25
14	24
15	23
16	22
17	45
18	46
19	47
20	48
21	49
22	26
23	50
24	51
25	52
26	27
27	28
28	29
29	30
30	13
31	14
32	32
33	31
34	56
35	55
36	54
37	53
38	86
39	127
40	126
41	85
42	84
43	83
44	82
45	81
46	80
47	79
48	78
49	77
50	76
51	115
52	114
53	75
54	74
55	43
56	42
57	21
58	20
59	19
60	18
61	17
62	16
63	15
64	61
65	34
66	60
67	33
68	59
69	58
70	92
71	57
72	90
73	89
74	88
75	87