A363372 - cp's OEIS frontend

A363372 Lexicographically earliest infinite sequence of positive numbers on a square spiral such that every 3 by 3 block of numbers contains the digits 1 through 9.

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

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

cp's OEIS Frontend

A363372 Lexicographically earliest infinite sequence of positive numbers on a square spiral such that every 3 by 3 block of numbers contains the digits 1 through 9.

Table of values

List of values

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

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

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