A344325 - cp's OEIS frontend

A344325 Squares visited on a spirally numbered board when stepping to the closest unvisited square which contains a number that shares no digit with the number of the current square. If two or more such squares are the same distance away the one with the smaller number is chosen.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	25
12	48
13	79
14	80
15	49
16	26
17	51
18	84
19	125
20	83
21	50
22	81
23	52
24	86
25	53
26	28
27	11
28	27
29	85
30	126
31	87
32	54
33	29
34	30
35	55
36	88
37	129
38	56
39	31
40	58
41	93
42	57
43	90
44	131
45	89
46	130
47	92
48	135
49	94
50	137
51	95
52	60
53	33
54	14
55	32
56	59
57	13
58	62
59	35
60	16
61	34
62	15
63	36
64	17
65	38
66	67
67	104
68	66
69	37
70	64
71	99
72	100
73	65
74	102

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 25, 48, 79, 80, 49, 26, 51, 84, 125, 83, 50, 81, 52, 86, 53, 28, 11, 27, 85, 126, 87, 54, 29, 30, 55, 88, 129, 56, 31, 58, 93, 57, 90, 131, 89, 130, 92, 135, 94, 137, 95, 60, 33, 14, 32, 59, 13, 62, 35, 16, 34, 15, 36, 17, 38, 67, 104, 66, 37, 64, 99, 100, 65, 102]

cp's OEIS Frontend

A344325 Squares visited on a spirally numbered board when stepping to the closest unvisited square which contains a number that shares no digit with the number of the current square. If two or more such squares are the same distance away the one with the smaller number is chosen.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	25
12	48
13	79
14	80
15	49
16	26
17	51
18	84
19	125
20	83
21	50
22	81
23	52
24	86
25	53
26	28
27	11
28	27
29	85
30	126
31	87
32	54
33	29
34	30
35	55
36	88
37	129
38	56
39	31
40	58
41	93
42	57
43	90
44	131
45	89
46	130
47	92
48	135
49	94
50	137
51	95
52	60
53	33
54	14
55	32
56	59
57	13
58	62
59	35
60	16
61	34
62	15
63	36
64	17
65	38
66	67
67	104
68	66
69	37
70	64
71	99
72	100
73	65
74	102

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	25
12	48
13	79
14	80
15	49
16	26
17	51
18	84
19	125
20	83
21	50
22	81
23	52
24	86
25	53
26	28
27	11
28	27
29	85
30	126
31	87
32	54
33	29
34	30
35	55
36	88
37	129
38	56
39	31
40	58
41	93
42	57
43	90
44	131
45	89
46	130
47	92
48	135
49	94
50	137
51	95
52	60
53	33
54	14
55	32
56	59
57	13
58	62
59	35
60	16
61	34
62	15
63	36
64	17
65	38
66	67
67	104
68	66
69	37
70	64
71	99
72	100
73	65
74	102

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	6
7	7
8	8
9	9
10	10
11	25
12	48
13	79
14	80
15	49
16	26
17	51
18	84
19	125
20	83
21	50
22	81
23	52
24	86
25	53
26	28
27	11
28	27
29	85
30	126
31	87
32	54
33	29
34	30
35	55
36	88
37	129
38	56
39	31
40	58
41	93
42	57
43	90
44	131
45	89
46	130
47	92
48	135
49	94
50	137
51	95
52	60
53	33
54	14
55	32
56	59
57	13
58	62
59	35
60	16
61	34
62	15
63	36
64	17
65	38
66	67
67	104
68	66
69	37
70	64
71	99
72	100
73	65
74	102