A327131 - cp's OEIS frontend

A327131 Cells visited by knight moves on a spirally numbered infinite hexagonal board, moving to the lowest unvisited cell at each step.

n	a(n)
1	1
2	20
3	6
4	9
5	4
6	8
7	5
8	10
9	13
10	2
11	14
12	7
13	11
14	22
15	3
16	15
17	12
18	23
19	26
20	29
21	16
22	19
23	34
24	54
25	17
26	31
27	50
28	47
29	24
30	21
31	18
32	32
33	35
34	55
35	30
36	27
37	45
38	68
39	25
40	42
41	39
42	36
43	33
44	53
45	78
46	48
47	51
48	76
49	106
50	49
51	73
52	28
53	46
54	43
55	40
56	37
57	58
58	84
59	87
60	60
61	63
62	41
63	69
64	72
65	101
66	67
67	44

[1, 20, 6, 9, 4, 8, 5, 10, 13, 2, 14, 7, 11, 22, 3, 15, 12, 23, 26, 29, 16, 19, 34, 54, 17, 31, 50, 47, 24, 21, 18, 32, 35, 55, 30, 27, 45, 68, 25, 42, 39, 36, 33, 53, 78, 48, 51, 76, 106, 49, 73, 28, 46, 43, 40, 37, 58, 84, 87, 60, 63, 41, 69, 72, 101, 67, 44]

cp's OEIS Frontend

A327131 Cells visited by knight moves on a spirally numbered infinite hexagonal board, moving to the lowest unvisited cell at each step.

Table of values

List of values

n	a(n)
1	1
2	20
3	6
4	9
5	4
6	8
7	5
8	10
9	13
10	2
11	14
12	7
13	11
14	22
15	3
16	15
17	12
18	23
19	26
20	29
21	16
22	19
23	34
24	54
25	17
26	31
27	50
28	47
29	24
30	21
31	18
32	32
33	35
34	55
35	30
36	27
37	45
38	68
39	25
40	42
41	39
42	36
43	33
44	53
45	78
46	48
47	51
48	76
49	106
50	49
51	73
52	28
53	46
54	43
55	40
56	37
57	58
58	84
59	87
60	60
61	63
62	41
63	69
64	72
65	101
66	67
67	44

n	a(n)
1	1
2	20
3	6
4	9
5	4
6	8
7	5
8	10
9	13
10	2
11	14
12	7
13	11
14	22
15	3
16	15
17	12
18	23
19	26
20	29
21	16
22	19
23	34
24	54
25	17
26	31
27	50
28	47
29	24
30	21
31	18
32	32
33	35
34	55
35	30
36	27
37	45
38	68
39	25
40	42
41	39
42	36
43	33
44	53
45	78
46	48
47	51
48	76
49	106
50	49
51	73
52	28
53	46
54	43
55	40
56	37
57	58
58	84
59	87
60	60
61	63
62	41
63	69
64	72
65	101
66	67
67	44

n	a(n)
1	1
2	20
3	6
4	9
5	4
6	8
7	5
8	10
9	13
10	2
11	14
12	7
13	11
14	22
15	3
16	15
17	12
18	23
19	26
20	29
21	16
22	19
23	34
24	54
25	17
26	31
27	50
28	47
29	24
30	21
31	18
32	32
33	35
34	55
35	30
36	27
37	45
38	68
39	25
40	42
41	39
42	36
43	33
44	53
45	78
46	48
47	51
48	76
49	106
50	49
51	73
52	28
53	46
54	43
55	40
56	37
57	58
58	84
59	87
60	60
61	63
62	41
63	69
64	72
65	101
66	67
67	44