A338290 - cp's OEIS frontend

A338290 Squares visited by either knight when a white knight and a black knight are moving on a spirally numbered board, always to the lowest available unvisited square; white moves first.

n	a(n)
1	1
2	10
3	12
4	3
5	9
6	6
7	4
8	15
9	7
10	2
11	18
12	5
13	35
14	8
15	14
16	11
17	29
18	24
19	32
20	27
21	55
22	48
23	28
24	23
25	13
26	20
27	34
28	39
29	17
30	16
31	40
32	19
33	21
34	22
35	46
36	41
37	25
38	44
39	50
40	71
41	79
42	74
43	26
44	45
45	47
46	42
47	76
48	69
49	43
50	38
51	70
52	63
53	105
54	66
55	148
56	99
57	65
58	36
59	98
60	61
61	37
62	94
63	62
64	31
65	33
66	54
67	30
68	85
69	53
70	124
71	84
72	51

[1, 10, 12, 3, 9, 6, 4, 15, 7, 2, 18, 5, 35, 8, 14, 11, 29, 24, 32, 27, 55, 48, 28, 23, 13, 20, 34, 39, 17, 16, 40, 19, 21, 22, 46, 41, 25, 44, 50, 71, 79, 74, 26, 45, 47, 42, 76, 69, 43, 38, 70, 63, 105, 66, 148, 99, 65, 36, 98, 61, 37, 94, 62, 31, 33, 54, 30, 85, 53, 124, 84, 51]

cp's OEIS Frontend

A338290 Squares visited by either knight when a white knight and a black knight are moving on a spirally numbered board, always to the lowest available unvisited square; white moves first.

Table of values

List of values

n	a(n)
1	1
2	10
3	12
4	3
5	9
6	6
7	4
8	15
9	7
10	2
11	18
12	5
13	35
14	8
15	14
16	11
17	29
18	24
19	32
20	27
21	55
22	48
23	28
24	23
25	13
26	20
27	34
28	39
29	17
30	16
31	40
32	19
33	21
34	22
35	46
36	41
37	25
38	44
39	50
40	71
41	79
42	74
43	26
44	45
45	47
46	42
47	76
48	69
49	43
50	38
51	70
52	63
53	105
54	66
55	148
56	99
57	65
58	36
59	98
60	61
61	37
62	94
63	62
64	31
65	33
66	54
67	30
68	85
69	53
70	124
71	84
72	51

n	a(n)
1	1
2	10
3	12
4	3
5	9
6	6
7	4
8	15
9	7
10	2
11	18
12	5
13	35
14	8
15	14
16	11
17	29
18	24
19	32
20	27
21	55
22	48
23	28
24	23
25	13
26	20
27	34
28	39
29	17
30	16
31	40
32	19
33	21
34	22
35	46
36	41
37	25
38	44
39	50
40	71
41	79
42	74
43	26
44	45
45	47
46	42
47	76
48	69
49	43
50	38
51	70
52	63
53	105
54	66
55	148
56	99
57	65
58	36
59	98
60	61
61	37
62	94
63	62
64	31
65	33
66	54
67	30
68	85
69	53
70	124
71	84
72	51

n	a(n)
1	1
2	10
3	12
4	3
5	9
6	6
7	4
8	15
9	7
10	2
11	18
12	5
13	35
14	8
15	14
16	11
17	29
18	24
19	32
20	27
21	55
22	48
23	28
24	23
25	13
26	20
27	34
28	39
29	17
30	16
31	40
32	19
33	21
34	22
35	46
36	41
37	25
38	44
39	50
40	71
41	79
42	74
43	26
44	45
45	47
46	42
47	76
48	69
49	43
50	38
51	70
52	63
53	105
54	66
55	148
56	99
57	65
58	36
59	98
60	61
61	37
62	94
63	62
64	31
65	33
66	54
67	30
68	85
69	53
70	124
71	84
72	51