A336446 - cp's OEIS frontend

A336446 Squares visited by a chess queen moving on a square-spiral numbered board where the queen moves to an unvisited square containing the smallest prime number.

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	19
7	17
8	13
9	11
10	23
11	47
12	43
13	41
14	37
15	31
16	29
17	53
18	127
19	79
20	73
21	71
22	67
23	103
24	101
25	97
26	61
27	59
28	131
29	89
30	83
31	173
32	167
33	163
34	157
35	151
36	107
37	109
38	271
39	211
40	199
41	197
42	193
43	191
44	139
45	137
46	239
47	181
48	179
49	641
50	457
51	241
52	251
53	257
54	263
55	149
56	397
57	389
58	313
59	311
60	307
61	293
62	113
63	281

[1, 2, 3, 5, 7, 19, 17, 13, 11, 23, 47, 43, 41, 37, 31, 29, 53, 127, 79, 73, 71, 67, 103, 101, 97, 61, 59, 131, 89, 83, 173, 167, 163, 157, 151, 107, 109, 271, 211, 199, 197, 193, 191, 139, 137, 239, 181, 179, 641, 457, 241, 251, 257, 263, 149, 397, 389, 313, 311, 307, 293, 113, 281]

cp's OEIS Frontend

A336446 Squares visited by a chess queen moving on a square-spiral numbered board where the queen moves to an unvisited square containing the smallest prime number.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	19
7	17
8	13
9	11
10	23
11	47
12	43
13	41
14	37
15	31
16	29
17	53
18	127
19	79
20	73
21	71
22	67
23	103
24	101
25	97
26	61
27	59
28	131
29	89
30	83
31	173
32	167
33	163
34	157
35	151
36	107
37	109
38	271
39	211
40	199
41	197
42	193
43	191
44	139
45	137
46	239
47	181
48	179
49	641
50	457
51	241
52	251
53	257
54	263
55	149
56	397
57	389
58	313
59	311
60	307
61	293
62	113
63	281

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	19
7	17
8	13
9	11
10	23
11	47
12	43
13	41
14	37
15	31
16	29
17	53
18	127
19	79
20	73
21	71
22	67
23	103
24	101
25	97
26	61
27	59
28	131
29	89
30	83
31	173
32	167
33	163
34	157
35	151
36	107
37	109
38	271
39	211
40	199
41	197
42	193
43	191
44	139
45	137
46	239
47	181
48	179
49	641
50	457
51	241
52	251
53	257
54	263
55	149
56	397
57	389
58	313
59	311
60	307
61	293
62	113
63	281

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	19
7	17
8	13
9	11
10	23
11	47
12	43
13	41
14	37
15	31
16	29
17	53
18	127
19	79
20	73
21	71
22	67
23	103
24	101
25	97
26	61
27	59
28	131
29	89
30	83
31	173
32	167
33	163
34	157
35	151
36	107
37	109
38	271
39	211
40	199
41	197
42	193
43	191
44	139
45	137
46	239
47	181
48	179
49	641
50	457
51	241
52	251
53	257
54	263
55	149
56	397
57	389
58	313
59	311
60	307
61	293
62	113
63	281