A338288 - cp's OEIS frontend

A338288 Squares visited by the white 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	3
4	6
5	15
6	2
7	5
8	8
9	11
10	24
11	27
12	48
13	23
14	20
15	39
16	16
17	19
18	22
19	41
20	44
21	71
22	74
23	45
24	42
25	69
26	38
27	6
28	66
29	99
30	36
31	61
32	94
33	31
34	54
35	85
36	124
37	51
38	80
39	83
40	120
41	123
42	168
43	81
44	118
45	77
46	114
47	73
48	108
49	151
50	68
51	103
52	64
53	67
54	102
55	143
56	146
57	195
58	100
59	141
60	96
61	137
62	60
63	93
64	90
65	129
66	86
67	125
68	172
69	121
70	166
71	117
72	162
73	113
74	110
75	153

[1, 10, 3, 6, 15, 2, 5, 8, 11, 24, 27, 48, 23, 20, 39, 16, 19, 22, 41, 44, 71, 74, 45, 42, 69, 38, 6, 66, 99, 36, 61, 94, 31, 54, 85, 124, 51, 80, 83, 120, 123, 168, 81, 118, 77, 114, 73, 108, 151, 68, 103, 64, 67, 102, 143, 146, 195, 100, 141, 96, 137, 60, 93, 90, 129, 86, 125, 172, 121, 166, 117, 162, 113, 110, 153]

cp's OEIS Frontend

A338288 Squares visited by the white 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	3
4	6
5	15
6	2
7	5
8	8
9	11
10	24
11	27
12	48
13	23
14	20
15	39
16	16
17	19
18	22
19	41
20	44
21	71
22	74
23	45
24	42
25	69
26	38
27	6
28	66
29	99
30	36
31	61
32	94
33	31
34	54
35	85
36	124
37	51
38	80
39	83
40	120
41	123
42	168
43	81
44	118
45	77
46	114
47	73
48	108
49	151
50	68
51	103
52	64
53	67
54	102
55	143
56	146
57	195
58	100
59	141
60	96
61	137
62	60
63	93
64	90
65	129
66	86
67	125
68	172
69	121
70	166
71	117
72	162
73	113
74	110
75	153

n	a(n)
1	1
2	10
3	3
4	6
5	15
6	2
7	5
8	8
9	11
10	24
11	27
12	48
13	23
14	20
15	39
16	16
17	19
18	22
19	41
20	44
21	71
22	74
23	45
24	42
25	69
26	38
27	6
28	66
29	99
30	36
31	61
32	94
33	31
34	54
35	85
36	124
37	51
38	80
39	83
40	120
41	123
42	168
43	81
44	118
45	77
46	114
47	73
48	108
49	151
50	68
51	103
52	64
53	67
54	102
55	143
56	146
57	195
58	100
59	141
60	96
61	137
62	60
63	93
64	90
65	129
66	86
67	125
68	172
69	121
70	166
71	117
72	162
73	113
74	110
75	153

n	a(n)
1	1
2	10
3	3
4	6
5	15
6	2
7	5
8	8
9	11
10	24
11	27
12	48
13	23
14	20
15	39
16	16
17	19
18	22
19	41
20	44
21	71
22	74
23	45
24	42
25	69
26	38
27	6
28	66
29	99
30	36
31	61
32	94
33	31
34	54
35	85
36	124
37	51
38	80
39	83
40	120
41	123
42	168
43	81
44	118
45	77
46	114
47	73
48	108
49	151
50	68
51	103
52	64
53	67
54	102
55	143
56	146
57	195
58	100
59	141
60	96
61	137
62	60
63	93
64	90
65	129
66	86
67	125
68	172
69	121
70	166
71	117
72	162
73	113
74	110
75	153