A336413 - cp's OEIS frontend

A336413 Squares visited by a chess rook moving on a square-spiral numbered board where the rook moves to the closest unvisited square containing a prime number. In case of a tie it chooses the square with the smallest prime number.

n	a(n)
1	1
2	2
3	3
4	5
5	7
6	41
7	43
8	109
9	107
10	103
11	37
12	193
13	191
14	97
15	101
16	199
17	197
18	683
19	677
20	673
21	1753
22	1747
23	1429
24	1427
25	887
26	883
27	661
28	659
29	881
30	877
31	307
32	461
33	463
34	653
35	1129
36	1733
37	2083
38	2081
39	3323
40	3319
41	3797
42	3793
43	5419
44	5417
45	5413
46	4297
47	2861
48	2857
49	2447
50	2069
51	1723
52	1721
53	1409
54	1123
55	1117
56	1399

[1, 2, 3, 5, 7, 41, 43, 109, 107, 103, 37, 193, 191, 97, 101, 199, 197, 683, 677, 673, 1753, 1747, 1429, 1427, 887, 883, 661, 659, 881, 877, 307, 461, 463, 653, 1129, 1733, 2083, 2081, 3323, 3319, 3797, 3793, 5419, 5417, 5413, 4297, 2861, 2857, 2447, 2069, 1723, 1721, 1409, 1123, 1117, 1399]

cp's OEIS Frontend

A336413 Squares visited by a chess rook moving on a square-spiral numbered board where the rook moves to the closest unvisited square containing a prime number. In case of a tie it chooses the square with the smallest prime number.

Table of values

List of values