A214526 - cp's OEIS frontend

A214526 Manhattan distances between n and 1 in a square spiral with positive integers and 1 at the center.

n	a(n)
1	0
2	1
3	2
4	1
5	2
6	1
7	2
8	1
9	2
10	3
11	2
12	3
13	4
14	3
15	2
16	3
17	4
18	3
19	2
20	3
21	4
22	3
23	2
24	3
25	4
26	5
27	4
28	3
29	4
30	5
31	6
32	5
33	4
34	3
35	4
36	5
37	6
38	5
39	4
40	3
41	4
42	5
43	6
44	5
45	4
46	3
47	4
48	5
49	6
50	7
51	6
52	5
53	4
54	5
55	6
56	7
57	8
58	7
59	6
60	5
61	4
62	5
63	6
64	7
65	8
66	7
67	6
68	5
69	4
70	5
71	6
72	7
73	8
74	7
75	6
76	5
77	4
78	5
79	6
80	7
81	8
82	9
83	8
84	7
85	6
86	5
87	6
88	7
89	8
90	9
91	10
92	9
93	8
94	7
95	6
96	5
97	6
98	7
99	8
100	9
101	10
102	9
103	8
104	7
105	6
106	5
107	6
108	7
109	8
110	9
111	10
112	9
113	8
114	7
115	6
116	5
117	6
118	7
119	8
120	9
121	10

[0, 1, 2, 1, 2, 1, 2, 1, 2, 3, 2, 3, 4, 3, 2, 3, 4, 3, 2, 3, 4, 3, 2, 3, 4, 5, 4, 3, 4, 5, 6, 5, 4, 3, 4, 5, 6, 5, 4, 3, 4, 5, 6, 5, 4, 3, 4, 5, 6, 7, 6, 5, 4, 5, 6, 7, 8, 7, 6, 5, 4, 5, 6, 7, 8, 7, 6, 5, 4, 5, 6, 7, 8, 7, 6, 5, 4, 5, 6, 7, 8, 9, 8, 7, 6, 5, 6, 7, 8, 9, 10, 9, 8, 7, 6, 5, 6, 7, 8, 9, 10, 9, 8, 7, 6, 5, 6, 7, 8, 9, 10, 9, 8, 7, 6, 5, 6, 7, 8, 9, 10]

cp's OEIS Frontend

A214526 Manhattan distances between n and 1 in a square spiral with positive integers and 1 at the center.

Table of values

List of values

n	a(n)
1	0
2	1
3	2
4	1
5	2
6	1
7	2
8	1
9	2
10	3
11	2
12	3
13	4
14	3
15	2
16	3
17	4
18	3
19	2
20	3
21	4
22	3
23	2
24	3
25	4
26	5
27	4
28	3
29	4
30	5
31	6
32	5
33	4
34	3
35	4
36	5
37	6
38	5
39	4
40	3
41	4
42	5
43	6
44	5
45	4
46	3
47	4
48	5
49	6
50	7
51	6
52	5
53	4
54	5
55	6
56	7
57	8
58	7
59	6
60	5
61	4
62	5
63	6
64	7
65	8
66	7
67	6
68	5
69	4
70	5
71	6
72	7
73	8
74	7
75	6
76	5
77	4
78	5
79	6
80	7
81	8
82	9
83	8
84	7
85	6
86	5
87	6
88	7
89	8
90	9
91	10
92	9
93	8
94	7
95	6
96	5
97	6
98	7
99	8
100	9
101	10
102	9
103	8
104	7
105	6
106	5
107	6
108	7
109	8
110	9
111	10
112	9
113	8
114	7
115	6
116	5
117	6
118	7
119	8
120	9
121	10

n	a(n)
1	0
2	1
3	2
4	1
5	2
6	1
7	2
8	1
9	2
10	3
11	2
12	3
13	4
14	3
15	2
16	3
17	4
18	3
19	2
20	3
21	4
22	3
23	2
24	3
25	4
26	5
27	4
28	3
29	4
30	5
31	6
32	5
33	4
34	3
35	4
36	5
37	6
38	5
39	4
40	3
41	4
42	5
43	6
44	5
45	4
46	3
47	4
48	5
49	6
50	7
51	6
52	5
53	4
54	5
55	6
56	7
57	8
58	7
59	6
60	5
61	4
62	5
63	6
64	7
65	8
66	7
67	6
68	5
69	4
70	5
71	6
72	7
73	8
74	7
75	6
76	5
77	4
78	5
79	6
80	7
81	8
82	9
83	8
84	7
85	6
86	5
87	6
88	7
89	8
90	9
91	10
92	9
93	8
94	7
95	6
96	5
97	6
98	7
99	8
100	9
101	10
102	9
103	8
104	7
105	6
106	5
107	6
108	7
109	8
110	9
111	10
112	9
113	8
114	7
115	6
116	5
117	6
118	7
119	8
120	9
121	10

n	a(n)
1	0
2	1
3	2
4	1
5	2
6	1
7	2
8	1
9	2
10	3
11	2
12	3
13	4
14	3
15	2
16	3
17	4
18	3
19	2
20	3
21	4
22	3
23	2
24	3
25	4
26	5
27	4
28	3
29	4
30	5
31	6
32	5
33	4
34	3
35	4
36	5
37	6
38	5
39	4
40	3
41	4
42	5
43	6
44	5
45	4
46	3
47	4
48	5
49	6
50	7
51	6
52	5
53	4
54	5
55	6
56	7
57	8
58	7
59	6
60	5
61	4
62	5
63	6
64	7
65	8
66	7
67	6
68	5
69	4
70	5
71	6
72	7
73	8
74	7
75	6
76	5
77	4
78	5
79	6
80	7
81	8
82	9
83	8
84	7
85	6
86	5
87	6
88	7
89	8
90	9
91	10
92	9
93	8
94	7
95	6
96	5
97	6
98	7
99	8
100	9
101	10
102	9
103	8
104	7
105	6
106	5
107	6
108	7
109	8
110	9
111	10
112	9
113	8
114	7
115	6
116	5
117	6
118	7
119	8
120	9
121	10