A335816 - cp's OEIS frontend

A335816 Squares visited by a chess king moving on a square-spiral numbered board where the king moves to the adjacent unvisited square containing the spiral number with the fewest divisors. In case of a tie it chooses the square with the lowest spiral number.

n	a(n)
1	1
2	2
3	3
4	11
5	29
6	13
7	31
8	59
9	33
10	61
11	97
12	139
13	191
14	251
15	193
16	141
17	142
18	143
19	101
20	65
21	37
22	17
23	5
24	19
25	7
26	23
27	47
28	79
29	49
30	25
31	9
32	8
33	6
34	4
35	14
36	15
37	34
38	35
39	62
40	63
41	98
42	99
43	64
44	66
45	67
46	103
47	149
48	201
49	263
50	331
51	409
52	493
53	587
54	586
55	687
56	797
57	689
58	589
59	691
60	591
61	499
62	593
63	501

[1, 2, 3, 11, 29, 13, 31, 59, 33, 61, 97, 139, 191, 251, 193, 141, 142, 143, 101, 65, 37, 17, 5, 19, 7, 23, 47, 79, 49, 25, 9, 8, 6, 4, 14, 15, 34, 35, 62, 63, 98, 99, 64, 66, 67, 103, 149, 201, 263, 331, 409, 493, 587, 586, 687, 797, 689, 589, 691, 591, 499, 593, 501]

cp's OEIS Frontend

A335816 Squares visited by a chess king moving on a square-spiral numbered board where the king moves to the adjacent unvisited square containing the spiral number with the fewest divisors. In case of a tie it chooses the square with the lowest spiral number.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	11
5	29
6	13
7	31
8	59
9	33
10	61
11	97
12	139
13	191
14	251
15	193
16	141
17	142
18	143
19	101
20	65
21	37
22	17
23	5
24	19
25	7
26	23
27	47
28	79
29	49
30	25
31	9
32	8
33	6
34	4
35	14
36	15
37	34
38	35
39	62
40	63
41	98
42	99
43	64
44	66
45	67
46	103
47	149
48	201
49	263
50	331
51	409
52	493
53	587
54	586
55	687
56	797
57	689
58	589
59	691
60	591
61	499
62	593
63	501

n	a(n)
1	1
2	2
3	3
4	11
5	29
6	13
7	31
8	59
9	33
10	61
11	97
12	139
13	191
14	251
15	193
16	141
17	142
18	143
19	101
20	65
21	37
22	17
23	5
24	19
25	7
26	23
27	47
28	79
29	49
30	25
31	9
32	8
33	6
34	4
35	14
36	15
37	34
38	35
39	62
40	63
41	98
42	99
43	64
44	66
45	67
46	103
47	149
48	201
49	263
50	331
51	409
52	493
53	587
54	586
55	687
56	797
57	689
58	589
59	691
60	591
61	499
62	593
63	501

n	a(n)
1	1
2	2
3	3
4	11
5	29
6	13
7	31
8	59
9	33
10	61
11	97
12	139
13	191
14	251
15	193
16	141
17	142
18	143
19	101
20	65
21	37
22	17
23	5
24	19
25	7
26	23
27	47
28	79
29	49
30	25
31	9
32	8
33	6
34	4
35	14
36	15
37	34
38	35
39	62
40	63
41	98
42	99
43	64
44	66
45	67
46	103
47	149
48	201
49	263
50	331
51	409
52	493
53	587
54	586
55	687
56	797
57	689
58	589
59	691
60	591
61	499
62	593
63	501