A337254 - cp's OEIS frontend

A337254 Squares visited by a rook moving on a spirally numbered board always to the lowest available unvisited square with a move length of the current square (in decimal) + 1.

n	a(n)
1	1
2	11
3	13
4	15
5	17
6	19
7	21
8	23
9	25
10	51
11	53
12	55
13	57
14	59
15	61
16	63
17	65
18	67
19	69
20	71
21	73
22	75
23	77
24	79
25	81
26	123
27	125
28	127
29	129
30	131
31	133
32	135
33	137
34	139
35	141
36	143
37	145
38	147
39	149
40	151
41	153
42	155
43	157
44	159
45	161
46	163
47	165
48	167
49	169
50	227
51	229
52	231
53	233
54	235
55	237
56	239
57	241
58	243
59	245
60	247
61	249
62	251

[1, 11, 13, 15, 17, 19, 21, 23, 25, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 123, 125, 127, 129, 131, 133, 135, 137, 139, 141, 143, 145, 147, 149, 151, 153, 155, 157, 159, 161, 163, 165, 167, 169, 227, 229, 231, 233, 235, 237, 239, 241, 243, 245, 247, 249, 251]

cp's OEIS Frontend

A337254 Squares visited by a rook moving on a spirally numbered board always to the lowest available unvisited square with a move length of the current square (in decimal) + 1.

Table of values

List of values

n	a(n)
1	1
2	11
3	13
4	15
5	17
6	19
7	21
8	23
9	25
10	51
11	53
12	55
13	57
14	59
15	61
16	63
17	65
18	67
19	69
20	71
21	73
22	75
23	77
24	79
25	81
26	123
27	125
28	127
29	129
30	131
31	133
32	135
33	137
34	139
35	141
36	143
37	145
38	147
39	149
40	151
41	153
42	155
43	157
44	159
45	161
46	163
47	165
48	167
49	169
50	227
51	229
52	231
53	233
54	235
55	237
56	239
57	241
58	243
59	245
60	247
61	249
62	251

n	a(n)
1	1
2	11
3	13
4	15
5	17
6	19
7	21
8	23
9	25
10	51
11	53
12	55
13	57
14	59
15	61
16	63
17	65
18	67
19	69
20	71
21	73
22	75
23	77
24	79
25	81
26	123
27	125
28	127
29	129
30	131
31	133
32	135
33	137
34	139
35	141
36	143
37	145
38	147
39	149
40	151
41	153
42	155
43	157
44	159
45	161
46	163
47	165
48	167
49	169
50	227
51	229
52	231
53	233
54	235
55	237
56	239
57	241
58	243
59	245
60	247
61	249
62	251

n	a(n)
1	1
2	11
3	13
4	15
5	17
6	19
7	21
8	23
9	25
10	51
11	53
12	55
13	57
14	59
15	61
16	63
17	65
18	67
19	69
20	71
21	73
22	75
23	77
24	79
25	81
26	123
27	125
28	127
29	129
30	131
31	133
32	135
33	137
34	139
35	141
36	143
37	145
38	147
39	149
40	151
41	153
42	155
43	157
44	159
45	161
46	163
47	165
48	167
49	169
50	227
51	229
52	231
53	233
54	235
55	237
56	239
57	241
58	243
59	245
60	247
61	249
62	251