A316884 - cp's OEIS frontend

A316884 Squares visited by moving diagonally one square on a spirally numbered board and moving to the lowest available unvisited square at each step.

n	a(n)
1	1
2	3
3	11
4	9
5	23
6	7
7	19
8	5
9	15
10	33
11	13
12	29
13	53
14	27
15	25
16	47
17	77
18	45
19	21
20	41
21	69
22	39
23	17
24	35
25	61
26	95
27	59
28	31
29	55
30	87
31	127
32	85
33	51
34	49
35	79
36	117
37	163
38	115
39	75
40	43
41	71
42	107
43	151
44	105
45	67
46	37
47	63
48	97
49	139
50	189
51	137
52	93
53	57
54	89
55	129
56	177
57	233
58	175
59	125
60	83
61	81
62	119

[1, 3, 11, 9, 23, 7, 19, 5, 15, 33, 13, 29, 53, 27, 25, 47, 77, 45, 21, 41, 69, 39, 17, 35, 61, 95, 59, 31, 55, 87, 127, 85, 51, 49, 79, 117, 163, 115, 75, 43, 71, 107, 151, 105, 67, 37, 63, 97, 139, 189, 137, 93, 57, 89, 129, 177, 233, 175, 125, 83, 81, 119]

cp's OEIS Frontend

A316884 Squares visited by moving diagonally one square on a spirally numbered board and moving to the lowest available unvisited square at each step.

Table of values

List of values

n	a(n)
1	1
2	3
3	11
4	9
5	23
6	7
7	19
8	5
9	15
10	33
11	13
12	29
13	53
14	27
15	25
16	47
17	77
18	45
19	21
20	41
21	69
22	39
23	17
24	35
25	61
26	95
27	59
28	31
29	55
30	87
31	127
32	85
33	51
34	49
35	79
36	117
37	163
38	115
39	75
40	43
41	71
42	107
43	151
44	105
45	67
46	37
47	63
48	97
49	139
50	189
51	137
52	93
53	57
54	89
55	129
56	177
57	233
58	175
59	125
60	83
61	81
62	119

n	a(n)
1	1
2	3
3	11
4	9
5	23
6	7
7	19
8	5
9	15
10	33
11	13
12	29
13	53
14	27
15	25
16	47
17	77
18	45
19	21
20	41
21	69
22	39
23	17
24	35
25	61
26	95
27	59
28	31
29	55
30	87
31	127
32	85
33	51
34	49
35	79
36	117
37	163
38	115
39	75
40	43
41	71
42	107
43	151
44	105
45	67
46	37
47	63
48	97
49	139
50	189
51	137
52	93
53	57
54	89
55	129
56	177
57	233
58	175
59	125
60	83
61	81
62	119

n	a(n)
1	1
2	3
3	11
4	9
5	23
6	7
7	19
8	5
9	15
10	33
11	13
12	29
13	53
14	27
15	25
16	47
17	77
18	45
19	21
20	41
21	69
22	39
23	17
24	35
25	61
26	95
27	59
28	31
29	55
30	87
31	127
32	85
33	51
34	49
35	79
36	117
37	163
38	115
39	75
40	43
41	71
42	107
43	151
44	105
45	67
46	37
47	63
48	97
49	139
50	189
51	137
52	93
53	57
54	89
55	129
56	177
57	233
58	175
59	125
60	83
61	81
62	119