A338367 - cp's OEIS frontend

A338367 Square spiral of nonnegative integers built by greedy algorithm such that for any (i, j) <> (0, 0) there is at most one position, say (n, k), such that the values at (n, k) and at (n+i, k+j) are the same.

n	a(n)
0	0
1	0
2	0
3	1
4	0
5	2
6	1
7	3
8	4
9	1
10	3
11	2
12	3
13	4
14	5
15	6
16	2
17	7
18	4
19	6
20	5
21	7
22	8
23	9
24	5
25	6
26	7
27	9
28	8
29	10
30	7
31	11
32	9
33	12
34	8
35	13
36	10
37	11
38	14
39	15
40	12
41	13
42	10
43	14
44	11
45	15
46	16
47	17
48	12
49	4
50	13
51	14
52	18
53	15
54	6
55	17
56	1
57	16
58	19
59	18
60	20
61	21
62	22
63	16
64	17
65	19
66	20
67	23
68	18
69	21
70	24
71	25
72	19
73	20

[0, 0, 0, 1, 0, 2, 1, 3, 4, 1, 3, 2, 3, 4, 5, 6, 2, 7, 4, 6, 5, 7, 8, 9, 5, 6, 7, 9, 8, 10, 7, 11, 9, 12, 8, 13, 10, 11, 14, 15, 12, 13, 10, 14, 11, 15, 16, 17, 12, 4, 13, 14, 18, 15, 6, 17, 1, 16, 19, 18, 20, 21, 22, 16, 17, 19, 20, 23, 18, 21, 24, 25, 19, 20]

cp's OEIS Frontend

A338367 Square spiral of nonnegative integers built by greedy algorithm such that for any (i, j) <> (0, 0) there is at most one position, say (n, k), such that the values at (n, k) and at (n+i, k+j) are the same.

Table of values

List of values

n	a(n)
0	0
1	0
2	0
3	1
4	0
5	2
6	1
7	3
8	4
9	1
10	3
11	2
12	3
13	4
14	5
15	6
16	2
17	7
18	4
19	6
20	5
21	7
22	8
23	9
24	5
25	6
26	7
27	9
28	8
29	10
30	7
31	11
32	9
33	12
34	8
35	13
36	10
37	11
38	14
39	15
40	12
41	13
42	10
43	14
44	11
45	15
46	16
47	17
48	12
49	4
50	13
51	14
52	18
53	15
54	6
55	17
56	1
57	16
58	19
59	18
60	20
61	21
62	22
63	16
64	17
65	19
66	20
67	23
68	18
69	21
70	24
71	25
72	19
73	20

n	a(n)
0	0
1	0
2	0
3	1
4	0
5	2
6	1
7	3
8	4
9	1
10	3
11	2
12	3
13	4
14	5
15	6
16	2
17	7
18	4
19	6
20	5
21	7
22	8
23	9
24	5
25	6
26	7
27	9
28	8
29	10
30	7
31	11
32	9
33	12
34	8
35	13
36	10
37	11
38	14
39	15
40	12
41	13
42	10
43	14
44	11
45	15
46	16
47	17
48	12
49	4
50	13
51	14
52	18
53	15
54	6
55	17
56	1
57	16
58	19
59	18
60	20
61	21
62	22
63	16
64	17
65	19
66	20
67	23
68	18
69	21
70	24
71	25
72	19
73	20

n	a(n)
0	0
1	0
2	0
3	1
4	0
5	2
6	1
7	3
8	4
9	1
10	3
11	2
12	3
13	4
14	5
15	6
16	2
17	7
18	4
19	6
20	5
21	7
22	8
23	9
24	5
25	6
26	7
27	9
28	8
29	10
30	7
31	11
32	9
33	12
34	8
35	13
36	10
37	11
38	14
39	15
40	12
41	13
42	10
43	14
44	11
45	15
46	16
47	17
48	12
49	4
50	13
51	14
52	18
53	15
54	6
55	17
56	1
57	16
58	19
59	18
60	20
61	21
62	22
63	16
64	17
65	19
66	20
67	23
68	18
69	21
70	24
71	25
72	19
73	20