A344367 - cp's OEIS frontend

A344367 Squares visited on a spirally numbered board when stepping to the closest unvisited square that contains a number that shares one or more digits 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	11
3	10
4	12
5	13
6	14
7	15
8	16
9	17
10	18
11	19
12	39
13	38
14	37
15	36
16	35
17	34
18	33
19	32
20	31
21	30
22	3
23	23
24	22
25	21
26	20
27	40
28	41
29	42
30	43
31	44
32	45
33	46
34	47
35	24
36	25
37	26
38	27
39	28
40	29
41	2
42	52
43	51
44	50
45	80
46	81
47	82
48	83
49	84
50	85
51	86
52	87
53	88
54	89
55	90
56	91
57	92
58	93
59	94
60	59
61	58
62	57
63	56
64	55
65	54
66	53
67	125
68	124
69	123
70	122
71	121
72	120

[1, 11, 10, 12, 13, 14, 15, 16, 17, 18, 19, 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, 3, 23, 22, 21, 20, 40, 41, 42, 43, 44, 45, 46, 47, 24, 25, 26, 27, 28, 29, 2, 52, 51, 50, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 59, 58, 57, 56, 55, 54, 53, 125, 124, 123, 122, 121, 120]

cp's OEIS Frontend

A344367 Squares visited on a spirally numbered board when stepping to the closest unvisited square that contains a number that shares one or more digits 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	11
3	10
4	12
5	13
6	14
7	15
8	16
9	17
10	18
11	19
12	39
13	38
14	37
15	36
16	35
17	34
18	33
19	32
20	31
21	30
22	3
23	23
24	22
25	21
26	20
27	40
28	41
29	42
30	43
31	44
32	45
33	46
34	47
35	24
36	25
37	26
38	27
39	28
40	29
41	2
42	52
43	51
44	50
45	80
46	81
47	82
48	83
49	84
50	85
51	86
52	87
53	88
54	89
55	90
56	91
57	92
58	93
59	94
60	59
61	58
62	57
63	56
64	55
65	54
66	53
67	125
68	124
69	123
70	122
71	121
72	120

n	a(n)
1	1
2	11
3	10
4	12
5	13
6	14
7	15
8	16
9	17
10	18
11	19
12	39
13	38
14	37
15	36
16	35
17	34
18	33
19	32
20	31
21	30
22	3
23	23
24	22
25	21
26	20
27	40
28	41
29	42
30	43
31	44
32	45
33	46
34	47
35	24
36	25
37	26
38	27
39	28
40	29
41	2
42	52
43	51
44	50
45	80
46	81
47	82
48	83
49	84
50	85
51	86
52	87
53	88
54	89
55	90
56	91
57	92
58	93
59	94
60	59
61	58
62	57
63	56
64	55
65	54
66	53
67	125
68	124
69	123
70	122
71	121
72	120

n	a(n)
1	1
2	11
3	10
4	12
5	13
6	14
7	15
8	16
9	17
10	18
11	19
12	39
13	38
14	37
15	36
16	35
17	34
18	33
19	32
20	31
21	30
22	3
23	23
24	22
25	21
26	20
27	40
28	41
29	42
30	43
31	44
32	45
33	46
34	47
35	24
36	25
37	26
38	27
39	28
40	29
41	2
42	52
43	51
44	50
45	80
46	81
47	82
48	83
49	84
50	85
51	86
52	87
53	88
54	89
55	90
56	91
57	92
58	93
59	94
60	59
61	58
62	57
63	56
64	55
65	54
66	53
67	125
68	124
69	123
70	122
71	121
72	120