A383185 - cp's OEIS frontend

A383185 Number of the square visited by a king moving on a spirally numbered board always to the lowest available unvisited square, when a wall delimiting the spiral must be crossed on each move.

n	a(n)
0	0
1	3
2	13
3	2
4	10
5	1
6	7
7	21
8	6
9	18
10	4
11	14
12	32
13	12
14	28
15	11
16	27
17	9
18	23
19	8
20	22
21	44
22	20
23	40
24	19
25	5
26	17
27	37
28	16
29	34
30	15
31	33
32	59
33	31
34	57
35	30
36	54
37	29
38	53
39	85
40	51
41	25
42	47
43	24
44	46
45	76
46	45
47	75
48	43
49	73
50	42
51	70
52	41
53	69
54	39
55	67
56	38
57	66
58	36
59	62
60	35
61	61
62	95
63	60
64	94
65	58
66	92
67	56
68	88
69	55
70	87
71	127
72	86
73	52
74	26

[0, 3, 13, 2, 10, 1, 7, 21, 6, 18, 4, 14, 32, 12, 28, 11, 27, 9, 23, 8, 22, 44, 20, 40, 19, 5, 17, 37, 16, 34, 15, 33, 59, 31, 57, 30, 54, 29, 53, 85, 51, 25, 47, 24, 46, 76, 45, 75, 43, 73, 42, 70, 41, 69, 39, 67, 38, 66, 36, 62, 35, 61, 95, 60, 94, 58, 92, 56, 88, 55, 87, 127, 86, 52, 26]

cp's OEIS Frontend

A383185 Number of the square visited by a king moving on a spirally numbered board always to the lowest available unvisited square, when a wall delimiting the spiral must be crossed on each move.

Table of values

List of values

n	a(n)
0	0
1	3
2	13
3	2
4	10
5	1
6	7
7	21
8	6
9	18
10	4
11	14
12	32
13	12
14	28
15	11
16	27
17	9
18	23
19	8
20	22
21	44
22	20
23	40
24	19
25	5
26	17
27	37
28	16
29	34
30	15
31	33
32	59
33	31
34	57
35	30
36	54
37	29
38	53
39	85
40	51
41	25
42	47
43	24
44	46
45	76
46	45
47	75
48	43
49	73
50	42
51	70
52	41
53	69
54	39
55	67
56	38
57	66
58	36
59	62
60	35
61	61
62	95
63	60
64	94
65	58
66	92
67	56
68	88
69	55
70	87
71	127
72	86
73	52
74	26

n	a(n)
0	0
1	3
2	13
3	2
4	10
5	1
6	7
7	21
8	6
9	18
10	4
11	14
12	32
13	12
14	28
15	11
16	27
17	9
18	23
19	8
20	22
21	44
22	20
23	40
24	19
25	5
26	17
27	37
28	16
29	34
30	15
31	33
32	59
33	31
34	57
35	30
36	54
37	29
38	53
39	85
40	51
41	25
42	47
43	24
44	46
45	76
46	45
47	75
48	43
49	73
50	42
51	70
52	41
53	69
54	39
55	67
56	38
57	66
58	36
59	62
60	35
61	61
62	95
63	60
64	94
65	58
66	92
67	56
68	88
69	55
70	87
71	127
72	86
73	52
74	26

n	a(n)
0	0
1	3
2	13
3	2
4	10
5	1
6	7
7	21
8	6
9	18
10	4
11	14
12	32
13	12
14	28
15	11
16	27
17	9
18	23
19	8
20	22
21	44
22	20
23	40
24	19
25	5
26	17
27	37
28	16
29	34
30	15
31	33
32	59
33	31
34	57
35	30
36	54
37	29
38	53
39	85
40	51
41	25
42	47
43	24
44	46
45	76
46	45
47	75
48	43
49	73
50	42
51	70
52	41
53	69
54	39
55	67
56	38
57	66
58	36
59	62
60	35
61	61
62	95
63	60
64	94
65	58
66	92
67	56
68	88
69	55
70	87
71	127
72	86
73	52
74	26