A363824 - cp's OEIS frontend

A363824 a(0) = 0; for n > 0, a(n) is the total number of other numbers, being constructed on a square spiral, that are visible from a(n-1) that equal a(n-1).

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

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

cp's OEIS Frontend

A363824 a(0) = 0; for n > 0, a(n) is the total number of other numbers, being constructed on a square spiral, that are visible from a(n-1) that equal a(n-1).

Table of values

List of values

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

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

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